SUHARTI , S. .; HARWANTO, H. Improving The Physical Fitness Of Class Viii Students Through Volleyball At Students Of SMP Negeri 36 Surabaya. Education Journal : Journal Educational Research and Development, [S. l.], v. 7, n. 2, p. 231–238, 2024. DOI: 10.31537/ej.v7i2.1284. Disponível em: https://jurnal.unipar.ac.id/index.php/ej/article/view/1284. Acesso em: 3 aug. 2025.