LAGTA, Sameer; HASSAN, Muhammed. The Effect of Flipped Classroom Strategy On Learning Volleyball Serving and Receiving In Second Grade Secondary School Students. Journal of Physical Education, Baghdasd, Iraq., v. 31, n. 4, p. 79–88, 2019. DOI: 10.37359/JOPE.V31(4)2019.894. Disponível em: https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/894.. Acesso em: 4 may. 2024.