The impact of my strategy (PQ4R) and conceptual schemes in developing the skills of sending and receiving in volleyball. Journal of the College of Basic Education, [S. l.], v. 22, n. 95, p. 763–784, 2022. DOI: 10.35950/cbej.v22i95.8053. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/8053.. Acesso em: 1 jul. 2024.