Lu, J., Tongdecharoen, W. and Wattanapayungkul, Y. (2026) “Development of a Phase-Specific Strength Training Program Integrating Eccentric and Isometric Overload to Improve Jump Serve Ability for Youth Volleyball Players”, Interdisciplinary Academic and Research Journal . Maha Sara Kham, TH, 6(3), p. e299212. doi: 10.60027/iarj.2026.e299212.