Kreuzberg, F., N. Hein, and M. M. Rodrigues Junior. “Game Theory: The Nash Equilibrium Point Identification In Bi-Matrix Games Of Economic And Social Indicators”. Future Studies Research Journal: Trends and Strategies, vol. 7, no. 2, Dec. 2015, p. 42, doi:10.24023/FutureJournal/2175-5825/2015.v7i2.196.