binti Mohd Hamel, Nabila, Tan Owee Kowang, and Goh Chin Fei. “A Conceptual Framework for the Lean Research and Development”. International Journal of Engineering & Technology 7, no. 3.25 (August 14, 2018): 316–320. Accessed November 21, 2024. https://sciencepubco.com/index.php/ijet/article/view/17589.