N.V, L. Social factors of spreading of tobacco smoking among college students. Revista San Gregorio, [S. l.], v. 1, n. 37, 2020. DOI: 10.36097/rsan.v1i37.1290. Disponível em: https://revista.sangregorio.edu.ec/index.php/REVISTASANGREGORIO/article/view/1290. Acesso em: 2 may. 2024.