Putra, J. A., Siswantoyo, Virama, L. O. A., & Yudhistira, D. (2023). Aerofight Gymnastic Model to Improve Physical Fitness of Students in Martial Arts Special Sports Class: Content Validity. Asian Exercise and Sport Science Journal, 7(2), 29–44. Retrieved from https://journal.aesasport.com/index.php/aesa/article/view/442