Development of a pancasila values book based on coastal environmental management culture for pancasila education fifth grade elementary school students. Indonesian Journal of Primary Education, [S. l.], v. 10, n. 1, p. 53–64, 2026. Disponível em: https://ejournal-tasikmalaya.upi.edu/ijpe/article/view/241. Acesso em: 29 sep. 2026.