Abbas AF. The Effect of Motor Activity Based Learning on the Acquisition of Two Tennis Groundstroke Skills. jope [انترنت]. 28 ديسمبر، 2025 [وثق 4 يناير، 2026];37(4):1145-60. موجود في: https://www.jcope.uobaghdad.edu.iq/index.php/jcope/article/view/2357