Browsing Theses and Dissertations by Author "c025a50b-0241-4946-bae7-c73ff98a0eef"
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Modelling Variable Cost Of Tractors: Case Study Of Ten Tractor Models In Juba - Southern Sudan
Saman, Nicola Wilba Nicola (UoN, 2019)Variable costs contrary to fixed costs increase with machine age. Decisions made by farm power to or not to replace the farm machinery are based on available variable cost records. This study aimed at developing a mathematical ...