binti Mohd Hamel N, Owee Kowang T, Chin Fei G. A Conceptual Framework for the Lean Research and Development. IJET [Internet]. 2018 Aug. 14 [cited 2024 Aug. 17];7(3.25):316-20. Available from: https://sciencepubco.com/index.php/ijet/article/view/17589