AZMI, M. Using Historical Sites in East Kalimantan for Education: Challenges and Opportunities. Yupa: Historical Studies Journal, [S. l.], v. 2, n. 1, p. 71–80, 2018. DOI: 10.30872/yupa.v2i1.117. Disponível em: https://jurnal.fkip.unmul.ac.id/index.php/yupa/article/view/117. Acesso em: 3 mar. 2025.