المسماري عبد الفتاح عبدالرحيم. " Difficulties of scientific research in the social sciences . Tobruk University Journal of Social and Human Sciences, طبرق، ليبيا, n. 15, p. 816–824, 2024. DOI: 10.64516/5z01jk48. Disponível em: https://journals.tu.edu.ly/tujsh/index.php/JSHS/article/view/258. Acesso em: 25 sep. 2025.