Mohamed Safri, Nurul Huda, Maizirwan Mel, Dominic C.Y. Foo, Denny K.S. Ng, and Irene M.L. Chew. “PROCESS MODELLING AND DEBOTTLENECKING STUDY OF A VACCINE PRODUCTION”. IIUM Engineering Journal 13, no. 1 (May 29, 2012). Accessed November 30, 2021. https://journals.iium.edu.my/ejournal/index.php/iiumej/article/view/299.