Suarni, K.D., Gunartha, I.W. and Sukmayadi, D. 2023. THE EFFECT OF THE TRI HITA KARANA-ORIENTED PROBLEM-BASED LEARNING MODEL ON ECOLOGICAL ATTITUDES AND LEARNING OUTCOMES. Indonesian Journal of Educational Development (IJED). 4, 2 (Aug. 2023), 173-183. DOI:https://doi.org/10.59672/ijed.v4i2.3048.