Purba, Andi Nata, Jan Bobby Nesra Barus, and Nurkhoiroh Nurkhoiroh. “Pengaruh Variasi Latihan Drill Smash Terhadap Keterampilan Smash Atlet Voli Klub Bina Putri Medan Tahun 2023”. Indo-MathEdu Intellectuals Journal 5, no. 4 (August 19, 2024): 4824–4832. Accessed May 12, 2025. https://ejournal.indo-intellectual.id/index.php/imeij/article/view/1682.