GHANIM, Maysaa. The Effect of Problem-Based Learning Instructional Units on Acquiring the Kip-Up Skill on the Horizontal Bar. Journal of Physical Education, Baghdasd, Iraq., v. 37, n. 3, p. 917–924, 2025. DOI: 10.37359/JOPE.V37(3)2025.2189. Disponível em: https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/2189. Acesso em: 30 2025.