DEVELOPMENT OF INTERACTIVE POWERPOINT LEARNING MEDIA THEME 5 ECOSYSTEM SUBTHEME 1 ECOSYSTEM’S COMPONENT FOR FIFTH GRADE STUDENTS OF SDN 007 TEBING KARIMUN. Primary: Jurnal Pendidikan Guru Sekolah Dasar, [S. l.], v. 9, n. 4, p. 421–431, 2020. DOI: 10.33578/10.33578/jpfkip.v9i4.7953. Disponível em: https://primary.ejournal.unri.ac.id/index.php/JPFKIP/article/view/845. Acesso em: 17 dec. 2025.