The research theme is "Islamic Bank Management". The research objective was to see the effect of people, process, and physical evidence on the customer's decision to save in Islamic banks. The object of research is Islamic banks in West Sumatra. The study sample was 250 customers. Research is causality. The research method is quantitative. The results of the study are: 1) People significantly influence saving decisions, 2) Process significantly influences saving decisions, 3) Physical evidence significantly influences saving decisions.

Does the management of investment in Hajj funds in Indonesia impact the economy and welfare of the pilgrims in Indonesia? This study aims to see how the management of hajj funds in Indonesia. This research is motivated by the phenomenon of Hajj funds' investment management pattern that is applied in Indonesia. The location of this research is in Indonesia, where most of the population is Muslim. This study uses a qualitative approach. Data collection techniques used are through interviews and documentation. Interviews were conducted with the Hajj fund manager at the Indonesian Ministry of Religion, the Badan Pengelola Keuangan Haji (BPKH), and Bank Syariah Mandiri. Hajj funds managed by BPKH are placed on deposits and investments in securities. BPKH has now developed a hajj fund, and the investment returns positively impact the welfare of the hajj. The management of hajj funds through investment is the right way to benefit the congregation and for the welfare and benefit of the congregation during the pilgrimage. The return on investment is a government subsidy for pilgrims or covers the difference between the total cost of organizing the pilgrimage and the deposit paid by prospective pilgrims to the government. Pilgrims themselves can feel the subsidies provided through the management of hajj funds.

The study was conducted in the city of Padang, West Sumatra. With the object of restaurants in the city Padang. Research to examine the influence of restaurant product design to customer satisfaction and customer loyalty. The sample used is 400 customers. The analysis used is the path analyze. Which found that there was indeed a significant influence between product design restaurants in the city of Padang on customer satisfaction, product design in the city of Padang restaurants are affecting customer loyalty, either directly or indirectly, and customer satisfaction in the city of Padang restaurant also affects customer loyalty. From the results of research can be made solutions for the restaurant in Padang, That in designing the products must pay attention and understand what the customer needs and wants.

Interest in consumer purchasing in buying apparel products, is the data that is needed by every company engaged in the garment industry. Moreover purchase interest between men and women, as consideration for a company in producing clothes based on sex. Where the consumer or customer purchase interest is seen by sex or gender can be utilized as a marketing strategy for companies involved in the garment or apparel industry which will serve as a decision-making materials in the production, so that the products according to market needs and wants. Well adapted to the development of rapid business world, and evolving market conditions are more and more product choices for consumers has had impact on marketing strategies to be adopted by companies in offering and marketing their products, so the company claimed to have advantages in the competition. The study aimed to determine whether there is a relationship between gender consumers with the type of clothes you buy, and to know the real influence of gender on the type of consumers who purchased apparel. Where the samples used in the study were 300 respondents in the Batusangkar City, Tanah Datar, West Sumatra. From the research we can conclude that there was a significant relationship between gender differences with the intention to purchase apparel, and there was indeed a fairly strong influence of gender differences on consumer purchase interest.