محمد عوض, جمعه, سوری علی, مهند. (2018). 'The impact of the method of direct play in the development of general mental ability and learning the skills of transmission and beating the overwhelming volleyball for junior high school students', مجلة جامعة الانبار للعلوم البدنیة والریاضیة, 8(16), pp. 21-45. doi: 10.37655/uaspesj.2018.172421