Xiujin Guo. “FACTORS AFFECTING THE MIDDLE SCHOOL STUDENTS’ LEARNING ACHIEVEMENT IN MULTI-ENVIRONMENT OF XINJIANG PROVINCE, CHINA”. Journal of MCU Social Science Review, vol. 6, no. 2-04, Apr. 2020, pp. 679-92, https://so03.tci-thaijo.org/index.php/jssr/article/view/241697.