Bristi, Ummelewara, and Md. Al-Mamun. 2019. “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 54 (1):185-202. https://www.asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/4762.