Afifah, H. M., Sulaiman, S., & Kusuma, D. W. Y. (2019). The Substitution of Physical Education with Sekolah Alam Student Scout Learning Activities as the Means of Strengthening Education based Character Building in Natural Elementary School Ar-Ridho Semarang. Journal of Physical Education and Sports, 8(5), 112-116. Retrieved from https://journal.unnes.ac.id/sju/jpes/article/view/32647