M.H.M. Haniff, A.R. Ismail, B.M. Deros, M.N.A. Rahman, and K. Kardigama, “The Taguchi Approach in Optimizing the Environmental Factors Towards Productivity at Automotive Industry”, Int. J. Automot. Mech. Eng., vol. 3, pp. 306–317, Dec. 2022.