Rizki Sisfadilla et al. 2021. DEVELOPING RULIBA MEDIA BASED ON LOCAL WISDOM FOR LEARNING THE BALANCE OF ECOSYSTEM IN THE NATURAL SCIENCE SUBJECT. Primary: Jurnal Pendidikan Guru Sekolah Dasar. 10, 3 (Jun. 2021), 501–514. DOI:https://doi.org/10.33578/10.33578/jpfkip.v10i3.8087.