Januarto, K., M. Hartono, and R. Rumini. “Evaluation of Physical Education Program through Intracurricular, Co-Curricular, Extracurricular Activities at Junior High Schools in Tuban District”. Journal of Physical Education and Sports, Vol. 9, no. 3, Dec. 2020, pp. 298-05, http://journal.unnes.ac.id/sju/jpes/article/view/44489.