Madwungsang, S., Siriteosri, P., Mrazek, P. and Rakklin, P. (2023) “CLUB ACTIVITIES MODEL USING THE PHILOSOPHY OF SUFFICIENCY ECONOMY LEARNING CENTER OF WATDONDAMRONGTHAM SCHOOL”, HRD Journal. Chonburi, Thailand, 14(2), pp. 47–59. available at: https://so01.tci-thaijo.org/index.php/HRDJ/article/view/267368 (accessed: 13 September 2026).