Abdel Salam WM, Khattab A-SMI. Reference citations based on digital sources in university theses in the field of education. AJSRP [Internet]. 2016 Mar. 30 [cited 2025 Dec. 20];2(1):121. Available from: https://ajsrp.ojsexpert.com/index.php/ajsrp/article/view/1410