Hendrawan, Dicky, Trifosa Angelina Sembiring, Novita Putri Yani Ndruru, Aszon Fisi Lahagu, Anugrah Panca Dinata, Yunita Mandasari, Andreas Diko Gunawan Tambunan, et al. 2024. “The Influence of Abdominal Muscle Strength and Waist Flexibility on the Long Jump Results of Male Athletes”. JOSKA: ISORI KAMPAR JURNAL 1 (03): 103-8. https://doi.org/10.53905/joska.v1i03.16.