Fru, Raymond Nkwenti, and Thobile Lucia Ndaba. “Educators’ Perceptions and Approaches to Environmental Education and ProEnvironmental Behaviour in South African Secondary Schools”. International Journal of Learning, Teaching and Educational Research 22, no. 5 (May 30, 2023): 359–373. Accessed April 17, 2026. http://ijlter.myres.net/index.php/ijlter/article/view/1620.