Kelekwang, Phemelo. Estimation of mineral revenue a case of Botswana , 1979-1996/ [microfilm]: by Phemelo Kelekwang. - Kampala, Uganda: Makerere University Library Microfilming Unit, 2000. - 4 titles on 1 microfilm reel; 16 mm. Thesis (M. Statistics) - Makerere University, 1998. Includes bibliographical references. Subjects--Topical Terms: Mineral industries --Finance.------