Bristi, U., and M. Al-Mamun. “Productivity Improvement of Cutting and Sewing Section by Implementation of Value Steam Method in a Garments Industry”. American Scientific Research Journal for Engineering, Technology, and Sciences, vol. 54, no. 1, Apr. 2019, pp. 185-02, https://www.asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/4762.