THE EFFECT OF TRI HITA KARANA-BASED PROBLEM-BASED LEARNINGMODEL ON ECOLOGICAL ATTITUDES AND LEARNING OUTCOMES. Primary: Jurnal Pendidikan Guru Sekolah Dasar, [S. l.], v. 12, n. 3, p. 754–766, 2023. DOI: 10.33578/jpfkip.v12i3.9770. Disponível em: https://primary.ejournal.unri.ac.id/index.php/JPFKIP/article/view/331. Acesso em: 21 dec. 2025.