The effect of an educational program using the guided discovery method in developing fluidity and motor transmission according to biomechanical variables, technical performance, and javelin throw achievement for middle school students. cbej [Internet]. 2022 Dec. 15 [cited 2024 Jul. 5];21(92):765-820. Available from: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/7544