Suthutvoravut, Somsak, and Tanyalak Kawicha. “Knowledge, Attitude and Teaching Sexuality among Teachers at on Occupational School”. Research Medical Journal 38, no. 3 (September 28, 2015): 209–217. accessed September 21, 2026. https://he02.tci-thaijo.org/index.php/ramajournal/article/view/57339.