AFIFAH, H. M.; SULAIMAN, S.; KUSUMA, D. W. Y. 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, v. 8, n. 5, p. 112-116, 12 ago. 2019.