Fembriani, Wonda, H., Taneo , S. and Bulu, V. 2023. The development of iv grade thematic teaching materials based on local culture of east sumba. JURNAL PENDIDIKAN DASAR NUSANTARA. 8, 2 (Jan. 2023), 299-309. DOI:https://doi.org/10.29407/jpdn.v8i2.18404.