F. Fatmawati, S. U. Nurbayani, A. N. Q. A. Alisyahbana, A. Isma, and B. K. Muflih, “From Competition to Concentration: Theoretical Evolution of Market Power through Monopoly and Monopsony”, daengku j. hum. soc. sci. innov., vol. 5, no. 4, pp. 557–572, Aug. 2025.