“Development of a Technique-Based Calisthenics Training Model To Increase Muscle Strength In Shorinji Kempo Athletes”, Compet. J. Pendidik. Kepelatihan Olahraga, vol. 17, no. 2, pp. 1599–1607, Jun. 2025, doi: 10.26858/cjpko.v17i2.148.