Chu Yingyang, Y., Mangkhang, C. and Maneekul, J. (2019) “Literacy and Environmentally Ethical Behaviors of Secondary School Students in China”, Journal of Graduate MCU KhonKaen Campus, 6(3), pp. 137–151. available at: https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/215568 (accessed: 12 September 2026).