Chamrat, S., N. Yutakom, and P. Chaiso. “Grade 10 science students’ understanding of the nature of science (Thai)”. Asia-Pacific Journal of Science and Technology, vol. 14, no. 4, Apr. 2017, pp. 360-74, https://so01.tci-thaijo.org/index.php/APST/article/view/83440.