JUSTINA T. LANTAJO, PH.D. Awareness and Understanding of the Environmental Principles and Concepts among Pre-Service Teachers in a Philippine University. International Journal of Social Sciences: Current and Future Research Trends, [S. l.], v. 19, n. 1, p. 66–76, 2023. Disponível em: https://ijsscfrtjournal.isrra.org/index.php/Social_Science_Journal/article/view/1068. Acesso em: 3 jul. 2024.