Suarni KD, Gunartha IW, Sukmayadi D. THE EFFECT OF THE TRI HITA KARANA-ORIENTED PROBLEM-BASED LEARNING MODEL ON ECOLOGICAL ATTITUDES AND LEARNING OUTCOMES. ijed [Internet]. 2023Aug.22 [cited 2024Jul.3];4(2):173-8. Available from: https://ojs.mahadewa.ac.id/index.php/ijed/article/view/3048