Adi Nugroho, F., S. Nugroho, and M. Tauviqirrahman. “Rear Axle Failure Analysis of the Dump Truck”. American Scientific Research Journal for Engineering, Technology, and Sciences, vol. 57, no. 1, July 2019, pp. 201-9, https://www.asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/4953.