THE EFFECT OF TRI HITA KARANA-BASED PROBLEM-BASED LEARNINGMODEL ON ECOLOGICAL ATTITUDES AND LEARNING OUTCOMES. JPFKIP [Internet]. 2023 Jun. 28 [cited 2025 Dec. 20];12(3):754-66. Available from: https://primary.ejournal.unri.ac.id/index.php/JPFKIP/article/view/331