Pulungan, Priska Lydia Sulistyawati, et al. “Sedentary Profile of Adolescents Aged 12-15 Years at Pangudi Luhur Junior High School in Salatiga”. Indonesian Journal of Sport Management, vol. 4, no. 1, Feb. 2024, pp. 35-40, doi:10.31949/ijsm.v4i1.8860.