RIGGS, D. Elaine. Students and drug Use: A Study of Personality Characteristics and Extent of Drug Using Behavior. Canadian Journal of Counselling and Psychotherapy, [S. l.], v. 7, n. 1, 2012. Disponível em: https://cdm.ucalgary.ca/index.php/rcc/article/view/59888. Acesso em: 4 jan. 2026.