Rohr Marques, Carla Mariane, y Fernando Carlos Agüero Contreras. Environmental Education at Secondary School Level in Africa: A Case Study in Benguela-Angola. Universidad y Sociedad 14, no. 3 (mayo 5, 2022): 282-297. Accedido abril 23, 2024. https://rus.ucf.edu.cu/index.php/rus/article/view/2870.