อุ่นละม้าย พ., & บุญประจักษ์ เ. (2018). THE APPLICATION OF KAHOOT PROGRAM IN TRIGONOMETRY LEARNING ENHANCEMENT ACTIVITY FOR MATHAYOM SUKSA 4 STUDENTS IN PRAMOCH WITTAYA RAMINTRA SCHOOL. Phranakhon Rajabhat Research Journal : Humanities and Social Sciences, 14(1), 176–191. retrieved from https://so05.tci-thaijo.org/index.php/PNRU_JHSS/article/view/106671