Hasan, Rabiatul Syuhada, and Muhammed Nafis Osman Zahid. “Waste Assessment Model for Hot Coil Spring Production Using Lean Approach”. International Journal of Automotive and Mechanical Engineering, vol. 22, no. 1, Feb. 2025, pp. 12048-61, https://doi.org/10.15282/ijame.22.1.2025.8.0925.