Muhannad Muhammed Kazem, Ali Noori Khazaal, Dr. Raad Abdul Khadim Jawad. The effect of using the competitive method in the cooperative learning method in acquiring the skill of spiking in volleyball. Int J Yogic Hum Mov Sports Sciences 2023;8(1):82-85. DOI:
https://doi.org/10.22271/yogic.2023.v8.i1b.1379