The dramatic transition to online pedagogy in education, as a consequence of COVID19 has shownseveral inequalities and challenges and advantages in education. The epidemic of COVID-19 profoundly changed the global higher education system in 2020, and the crisis has accelerated innovation in the education sector. Anyhow, whatever the situation, high academic standards are required for a university to produce high-quality teaching outputs and graduates, and it should ensure continuously. With this intention, this study conducted to assess the efficacy of online teaching and learning during the COVID-19 pandemic, focusing on the perceptions of undergraduate students from the Selected university.A validated online questionnaire is used among the 171 students from the selected university. The primary goal of this paper is to analyse how the education system adapts to online teaching and learning, identify the preferred mode of study by the students in between face to face interaction and online learning, and identify the advantages and challenges faced by the students in online learning. The paper also aims to make recommendations for improving online teaching and learning through the use of online. The study's findings show that, even though the students are satisfied with the existing online teaching and learning in selected university, they prefer face to face learning than online learning. The study strongly recommends that improving the quality of the online education system and striving to solve students' issues in terms of online learning is required to maintain the standard in education. The study's findings shed light on government and non-government educational institutions, academics, and policymakers to enhance online education and maintain the education standard.

The mobile telecommunications service providers face technical hitches to meet customer loyalty, to increase the market share. Therefore, service providers should be conscious of the factors affecting customer loyalty in building strong relationships. This study aims to investigate the effectiveness of switching barrier on customer loyalty with regards to customer satisfaction in mobile telecommunication service providers. The objective of this study is to identify the level, relationship and impact of switching barrier on customer satisfaction and loyalty. Finally, the study examines the mediating role of satisfaction. This study was based on the customer's perspectives and their experiences with mobile telecommunications service in Batticaloa. Data were obtained from the sample 200 customers, and stratified random sampling was used. The descriptive statistics, correlation and regression analysis were used to analyse the data. The results revealed that the switching barrier has a significant impact on loyalty and satisfaction. Same as satisfaction has significant impact on loyalty. And also, switching barrier impact on customer loyalty significantly through customer satisfaction. The study contributes to existing Howshigan and Ragel; SAJSSE, 2(2): 1-9, 2018; Article no.SAJSSE.44430 2 theoretical and practical knowledge by providing evidence regarding the relationships between switching barrier on customer loyalty, and customer satisfaction. The telecommunication service providers, in Sri Lanka; it is growing rapidly with high competition between the service providers. Hence, this research has the potential to contribute to the overall telecommunication service providers in terms of how to maintain long-term relationships between the service providers and their customers through the strategies of switching barrier. Original Research Article

Asian country retail sector blooming fast. Sri Lankan retail association expected a revolution in the retail sector. Recently Sri Lanka retail sector has been facing huge challenges with technology changes. Customers are more engaging with technology so in this situation, they are more informed toward their purchasing. Retailers use many strategies and tactics to attract customers and enhancing market shares. Most of the retailers have used 4ps strategies (product, price, place, promotions). Apart from those traditional retail strategies, retailers adopt more innovative strategies for getting customers. Recently they have engaged with enhanced retailers display settings, in-store initiatives, online listening strategies with digital marketing, build retail navigation with buzz marketing, enhancing merchandising windows display, and recently most of the retailers using curbside also to explore new retail features to customers.in addition to that retailers maintain good sales staff, using leverage social media like Facebook, Instagram, SMS marketing, email marketing, and online contest and referral retailer marketing and influence retailers' strategies. Sri Lanka retail sector accounts for approx. 34% of the country’s GDP,14% of the employments, and over 250 million. Footfall per annum thus contributing positively toward the national economy. Sri Lankan was ranked 12th in the global retail development index (GRDI). The supermarkets' service providers face competition to attract customers and enhance their shopping behavior, to increase retail market share. Therefore, supermarket service providers should be conscious of the leisure shopping factors affecting shopping behavior. This study aims to investigate the behavioral study of leisure shopping factors (wide choice, Atmosphere, Convenience, Salespeople, Location, promotional activity, merchandising policies) on customers' shopping behavior with regards to the retail industry. The objective of this study is to identify the level, relationship, and impact of leisure shopping factors on customer shopping behavior. This study was based on the customer's perspectives and their experiences with retail service. Data were obtained from a sample of 150 customers, and convenience sampling was used. The descriptive statistics, correlation, and regression analysis were used to analyses the data by using SPSS. The results revealed that leisure shopping factors have a significant impact enhance customer purchasing behavior. Same as, leisure shopping factors (wide choice, Atmosphere, Convenience, Salespeople, Location, promotional activity, merchandising policies) impact on customer buying behavior significantly through customer leisure shopping factors. The study contributes to existing Theoretical and practical knowledge by providing evidence regarding the relationship and impact between leisure shopping factors and customer buying behavior. The modern retail service providers, in Sri Lanka; it is growing rapidly with high competition between the service providers. Hence, this research has the potential to contribute to the overall modern retail service providers in terms of how to maintain long-term relationships between the service providers and their customers through the strategies of leisure shopping factors.