Fadail, Othman Ahmed Abbass; Eljack, Nada Sid Ahmed
(جامعة السودان للعلوم والتكنولوجيا, 2021-06-30)
The study was applied on a purposeful sample of second year secondary school’s students in a governmental school in Khartoum south in the academic year 2019/2020. The sample included (89) students at Hamdan Bin Rashid ...