Erwin 2024. Opportunities and Challenges Of Peace-Building In The Russia-Ukraine Armed Conflict. Journal Scientific of Mandalika (JSM) e-ISSN 2745-5955 | p-ISSN 2809-0543. 5, 12 (Dec. 2024), 579-588. DOI:https://doi.org/10.36312/10.36312/vol6iss1pp126-135.