VARGAS BARRANTES, Élida; ARAYA ALPÍZAR, C. Influence of socio-demographic conditions in attitudes and behaviour in sexuality that express the youth of ninth year from a public school in the Canton Central Alajuela, Costa Rica. Población y Salud en Mesoamérica, [S. l.], v. 10, n. 1, 2012. DOI: 10.15517/psm.v10i1.1203. Disponível em: https://revistas.ucr.ac.cr/index.php/psm/article/view/1203. Acesso em: 26 apr. 2024.