RONDEROS VALDERRAMA, J. . Coffee crisis, poverty and drugs: a sociocultural approach from the environment. Revista Luna Azul (On Line), [S. l.], n. 16, p. 1 de 10, 2003. Disponível em: https://revistasojs.ucaldas.edu.co/index.php/lunazul/article/view/1085. Acesso em: 24 aug. 2024.