Skills For Composition and Decomposition of Flat Shape of Class III Students Using Geostick Media in the Pmri Approach. JISIP (Jurnal Ilmu Sosial dan Pendidikan), [S. l.], v. 9, n. 1, p. 207–215, 2025. DOI: 10.58258/jisip.v9i1.8135. Disponível em: https://ejournal.mandalanursa.org/index.php/JISIP/article/view/8135. Acesso em: 21 sep. 2026.