Rakguson, Rapeepat, Pregamol Rutchanagul, and Natthapat Buaboon. 2023. “Knowledge of Sex Education and Sex Education Teaching Behaviors Among Parents of Children During Early Adolescence in Nakhon Chai Burin Provincial Health Region”. Nursing Research and Innovation Journal 29 (1). https://he02.tci-thaijo.org/index.php/RNJ/article/view/255763.