Abbas I, Shalash M. The impact of special exercises using the (Wheatley’s) strategy on learning to perform the underhand serve and reception skills in volleyball for students. jope [Internet]. 2024 Dec. 28 [cited 2026 Jul. 1];36(4):1085-102. Available from: https://www.jcope.uobaghdad.edu.iq/index.php/jcope/article/view/2191