RamadhanNst, Billy, Alan Alfiansyah Putra Karo, and Liliana Puspa Sari. 2025. “Development of a Tapak Suci Instructional Textbook for Junior High School Students”. Mamaos: Journal Physical Education, Sport and Art 2 (1):42-50. https://doi.org/10.35194/mj.v2i1.5897.