This study aims to investigate the effect of blended learning learning models on students' critical thinking skills: meta-analysis. This research is a meta-analysis research. The source of the data in this study came from an analysis of 10 national and international journals published from 2015-2023. Data source tracking through Google Scholar, ScienceDirect, Wiley, ProQuest and Sage. The inclusion criteria in the study are 1) published articles must be indexed by SINTA and Scopus; 2) Research must be experimental or quasi-experimental; 3) the article has data that can be calculated by the value of the effect size (ES). Data analysis in this research is a quantitative analysis by calculating the effect size value of each article with the help of the JSAP application. The results showed that the average effect size was 0.79 with moderate criteria. These findings indicate that the blended learning learning model has a significant influence on students' critical thinking skills. The blended learning model helps students grow their critical thinking skills when studying.

Biodiversity Conservation is one of requirement for the reclamation plan of post-mining area of limestone as one of raw material extraction for cement manufacturing. Previous publication of Semen Tonasa Creating Shared Value conception has been developed from single biodiversity aspect into community centralization within integration to energy efficiency and best environmental practice. Geopark Bulu Sipong, as one of historical biodiversity conservation that has been initiated for several years are still became ongoing activity based on strategic planning. This paper mainly discuss about the conservation and community activities of Cement Tonasa. Collaboration among of these activities has added value in resulting economic beneficiaries to improve community welfare. There is also environmental and social benefit as positive impacts of the scopes development. Main goals of program development are to support and contribute to the global Sustainable Development Goals (SDGs): in terms of Decent Work and Economic Growth (8 th), Life on Land (15 th), and Partnership for the Goals (17 th). The progress result for the first quarter-year of 2019 is the development of partnership, program and activity planning, and also economic valuation. Partnership development both internal and external, are mainly collaboration between divisions or agencies to achieve the goals. We conclude that collaboration between industry, stakeholders, and local community will bring sustainable improvement to the environment. Also, economic activity has improved 70% of average income compared to regional standard. This is a good starting point to achieve sustainability to the surrounding environment even without industrial activity in the future.

This study aims to determine the influence of leadership, motivation and work discipline on the performance of Husky CNOOC Madura Limited (HCML) employees. The object of this research is the employees of Husky Company CNOOC Madura Limited (HCML). The population in this study amounted to 211 employees, with a total sample of 139 Husky Company CNOOC Madura Limited (HCML) employees. The sampling technique used is probability sampling. The data used is primary data. Data collection techniques by distributing questionnaires. The data analysis used is the instrument test, the classical assumption test and the multiple linear regression test using a significant level of 5%. The results showed a significant influence of leadership, motivation, and work discipline on the performance of Husky CNOOC Madura Limited (HCML) employees. It indicates a significant influence of leadership on the performance of Husky CNOOC Madura Limited (HCML) employees. Shows that there is a significant influence of motivation on the performance of Husky CNOOC Madura Limited (HCML) employees. It indicates a significant effect of work discipline on the performance of Husky CNOOC Madura Limited (HCML) employees. The variables of leadership, motivation, and work discipline can explain changes in employee performance by 57.2%, and the remaining 42.8% is explained by other variables not included in this study.).

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