PORTILLA VELASCO, Sonia Janeth. Diagnosis of the consumption of psychoactive substances in the eighth to eleventh grade students of the Nuestra Señora de Lourdes Educational Institution (Potosi - Nariño). Revista Biumar, [S. l.], v. 1, n. 1, p. 60–85, 2017. Disponível em: https://revistas.umariana.edu.co/index.php/RevistaBiumar/article/view/1215. Acesso em: 22 jul. 2024.