Pelias Pog, Stefina Edora, et al. “A Effect of Different Pipe Diameters to The Flow Behaviour of The Pipeline in UTHM Biodiesel ”. Progress in Engineering Application and Technology, vol. 1, no. 1, Dec. 2020, pp. 409-21, https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/256.