SIAGIAN, Yosua Marasi Parningotan. Thematic Approach in Social Studies Learning to Increase Elementary School Student Activeness. ETDC: Indonesian Journal of Research and Educational Review , [S. l.], v. 4, n. 4, p. 1130–1142, 2025. DOI: 10.51574/ijrer.v4i4.3732. Disponível em: https://www.etdci.org/journal/ijrer/article/view/3732. Acesso em: 21 mar. 2026.