Firdaus, R., Putri, S. A. R., & Kristina, P. C. (2025). The Effect of Pull-Up Training on Smash Performance in Volleyball Extracurricular Activities at SMA Negeri 1 Sungai Pinang. Jp.Jok (Jurnal Pendidikan Jasmani Olahraga Dan Kesehatan), 8(2), 54–63. https://doi.org/10.33503/jp.jok.v8i2.1735