Weeranakin, P., W. Narongchai, K. Suthiprapa, P. Siriprechaphan, and K. Dhechachortchuang. “Knowledge, Understanding and Attitudes towards Natural Resources Management of Students in Secondary School”. Dhammathas Academic Journal, vol. 22, no. 1, Mar. 2022, pp. 1-14, https://so06.tci-thaijo.org/index.php/dhammathas/article/view/250879.