SANNI, KAZEEM OLANREWAJU, MUMINU O. ADAMU, and VICTOR ODUMUYIWA. 2021. “OVERVIEW OF SCHEDULING PROBLEMS WITH LEARNING EFFECT, DETERIORATING EFFECT, MAINTENANCE ACTIVITY AND NON- MONOTONIC TIME-DEPENDENT PROCESSING TIMES”. Unilag Journal of Mathematics and Applications 1 (1), 82-103. http://lagjma.unilag.edu.ng/article/view/1310.