C K, S., T. Nithya and VSS, Y. . (2024) “OPTIMAL PRICING AND PRODUCTION LOT SIZE FOR TWO RATES OF PRODUCTION WITH PRICE-SENSITIVE DEMAND, PRICE BREAK-EVEN POINT, AND PROFIT MAXIMISATION IN HIGHER ORDER EQUATION”, The South African Journal of Industrial Engineering, 35(1), pp. 115–136. doi: 10.7166/35-1-2897.