IVANSYACH, B. N.; RAFLI, A. A.; TUMIJA, T. Opportunity Cost Analysis and Fiscal Accountability of Indonesia’s Board of Peace Membership Commitment 2026: A Public Finance and State Budget Management Perspective. Journal of Mathematics Instruction, Social Research and Opinion, Bandung, Indonesia, v. 5, n. 1, p. 1265–1276, 2026. DOI: 10.58421/misro.v5i1.1268. Disponível em: https://journal-gehu.com/index.php/misro/article/view/1268. Acesso em: 21 apr. 2026.