Training of Luper Borubung (Surface Area of a Sphere, Cone, Cylinder) Demonstration Tools on the Surface Area of Curved Sided Template Figures (BRSL). JISIP (Jurnal Ilmu Sosial dan Pendidikan), [S. l.], v. 10, n. 1, p. 367–374, 2026. DOI: 10.58258/jisip.v10i1.9958. Disponível em: https://ejournal.mandalanursa.org/index.php/JISIP/article/view/9958. Acesso em: 19 sep. 2026.