นิติสุข นิรันดร์, จงรัก บรรจง, and สหัสทัศน์ ชนกกานต์. “Problems of Teaching and Learning Mathematics and Statistics in Daily Life of Higher Education Student at Rajamangala University of Technology Isan Kalasin Campus”. RMUTI Journal Humanities and Social Sciences 3, no. 1 (June 30, 2016): 93–103. Accessed April 25, 2024. https://so05.tci-thaijo.org/index.php/RMUTI_SS/article/view/193656.