“THE EFFECT OF TRI HITA KARANA-BASED PROBLEM-BASED LEARNINGMODEL ON ECOLOGICAL ATTITUDES AND LEARNING OUTCOMES”. Primary: Jurnal Pendidikan Guru Sekolah Dasar, vol. 12, no. 3, June 2023, pp. 754-66, https://doi.org/10.33578/jpfkip.v12i3.9770.