Bustami, S., Al hakim, R. M. H. A. A., & Zulkarnain, Z. (2024). Private Military Companies’ Role in International Armed Conflicts: A Case Study of Wagner Group’s Role in Escalation of the Russia-Ukraine Conflict. Journal of International Studies on Energy Affairs, 5(2), 187–209. https://doi.org/10.51413/jisea.Vol5.Iss2.2024.187-209