Salam Jaber Abdullah, Atheer Abbas Mustafa, Jalal Abdul Zahra. the impact of the use of Keller’s strategy and some teaching aids to teach some offensive and defensive skills with the sword weapon for the junior class. ms. 2019;18(4):67-80. Accessed April 18, 2025. https://jcopew.uobaghdad.edu.iq/index.php/sport/article/view/1452