Mpanduji, S. M., H. O. Dihenga, P. J. Makkungu, and E Lazaro. 2018. “COMPARISON OF REPAIR COSTS OF TWO WHEEL DRIVE TRACTORS UNDER TANZANIA CONDITIONS”. Tanzania Journal of Engineering and Technology 25 (1). https://journals.udsm.ac.tz/index.php/tjet/article/view/1885.