Thummathong, R., Khotbuntao, T., Thaweerungsrisap, O., & Thathong, K. (2019). Chemical Literacy Level of Engineering Students, Faculty Engineering, North Eastern University. Journal of Graduate MCU KhonKaen Campus, 6(4), 439–457. retrieved from https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/228792