S.Karthikeyan, M.Santhi, SP.KalaiSelvan,D.Sriram. 2023. “OPTIMIZED SCHEDULING IN FLEXIBLE JOB SHOP PROBLEM WITH MAINTENANCE MANAGEMENT USING HYBRID DISCRETE FIREFLY ALGORITHM ”. Journal of Computational Analysis and Applications (JoCAAA) 31 (4):1186-1203. https://eudoxuspress.com/index.php/pub/article/view/2145.