2026. The Effect of Interval Training on Speed Improvement in the 100-Meter Monofin Event among Elang DC Surabaya Diving Athletes. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga. 18, 2 (May 2026), 3000–3013. DOI:https://doi.org/10.26858/cpjok.v18i2.711.