ALSHASHNIEH, Mona Nimer. Perception Level of Social Ladder’s Concept and Significance among University Students. Journal of Humanities & Social Sciences, New Mexico, United States, v. 2, n. 8, p. 72–53, 2018. DOI: 10.26389/AJSRP.S270618. Disponível em: https://ajsrp.ojsexpert.com/index.php/jhss/article/view/762. Acesso em: 20 dec. 2025.