Justina T. Lantajo, Ph.D. Awareness and Understanding of the Environmental Principles and Concepts among Pre-Service Teachers in a Philippine University. IJSSCFRT [Internet]. 2023 Jul. 12 [cited 2024 Jul. 3];19(1):66-7. Available from: https://ijsscfrtjournal.isrra.org/index.php/Social_Science_Journal/article/view/1068