AL-SHIBAH, Nasser Abdullah. Academic Difficulties Faced by National University Students in Studying the Statistics Course according to Some Variables. Journal of the Faculties of Education - University of Aden, [S. l.], v. 18, n. 1, p. 171–189, 2024. Disponível em: https://jef.adenuniv.net/index.php/jef/article/view/54. Acesso em: 6 jul. 2025.