Kusrini, E., Nisa, F. and Helia, V. N. (2019) “Lean Service Approach for Consulting Services Company”, International Journal of Integrated Engineering, 11(5), pp. 189-195. Available at: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/4218 (Accessed: 13June2021).