Hamdullah Abed Hammadi and Mohammed Obaid Jameel 2026. The Effect of Interval Training on Developing The Endurance of Skill Performance in Long Rounds of Table Tennis . Jurnal Nakula : Pusat Ilmu Pendidikan, Bahasa dan Ilmu Sosial. 4, 1 (Jan. 2026), 284–296. DOI:https://doi.org/10.61132/nakula.v4i1.2419.