Sartkaew, Pisal, and Sungwean Pinagalang. “The Construction of The Process Test Volleyball Skill for Matthayomsuksa 1 Students in Chiang Yuen Phitthayakhom School”. Journal of Education Khon Kaen University (Graduate Studies Research) 12, no. 4 (December 28, 2018): 63–71. accessed April 14, 2025. https://so02.tci-thaijo.org/index.php/EDGKKUJ/article/view/241813.