sutthiwisapong, Thanapat, Nicha kongpulsilp, Natthapat Khumtong, Nithipong Pradabsook, Vichai Prailucha, Somdej Pinithsoontorn, and Suchada Paileeklee. “Proportion of Teachers in a School in Khon Kaen Province With Sufficient Knowledge Regarding Vocal Abuse”. Srinagarind Medical Journal 33, no. 5 (July 30, 2018): 83–84. Accessed May 6, 2024. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/137096.