Nugroho, C. A. J., Waskito, W., Satria P. B, A., Feodora R. G, R. R., Widyani, K., & Ramadhan, R. A. (2025). Mapping Indonesia Relation to BRICS (Brazil, Russia, India, China, and South Africa): Two-Level Game Theory Approach. RSF Conference Series: Business, Management and Social Sciences, 5(2), 113–120. https://doi.org/10.31098/bmss.v5i2.958