Thummathong, R., Khotbuntao, T., Thaweerungsrisap, O. and Thathong, K. (2019) “Chemical Literacy Level of Engineering Students, Faculty Engineering, North Eastern University”, Journal of Graduate MCU KhonKaen Campus, 6(4), pp. 439–457. available at: https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/228792 (accessed: 10 October 2026).