Malueg 1994, p. 237. Malueg, David A. (1994). "Monopoly Output and Welfare: The Role of Curvature of the Demand Function". The Journal of Economic Education. 25 (3). Informa UK Limited: 235–250. doi:10.1080/00220485.1994.10844832. ISSN0022-0485.
Malueg 1994, p. 237. Malueg, David A. (1994). "Monopoly Output and Welfare: The Role of Curvature of the Demand Function". The Journal of Economic Education. 25 (3). Informa UK Limited: 235–250. doi:10.1080/00220485.1994.10844832. ISSN0022-0485.