RAMALHO-GUEDES, Gilvan; 						LUIZ DO CARMO, Roberto.
 Self-interest versus collective action: understanding cross-class environmental perception, knowledge  and behavior in Brazil.
<strong>Papeles de Población</strong>, [S.l.], v. 19, n. 78, dec. 2013.
ISSN 2448-7147.
Available at: &lt;<a href="https://rppoblacion.uaemex.mx/article/view/8379" target="_new">https://rppoblacion.uaemex.mx/article/view/8379</a>&gt;. Date accessed: 15 oct. 2026.