Kelekwang, Phemelo. Estimation of mineral revenue : a case of Botswana, 1979-1996 / Phemelo Kelekwang. - Kampala: Makerere University, 1998. - vii, 76p.: ill., tabs , graphs; 30 cm. Thesis (M. Stat.) - Makerere University, 1998. Includes bibliographical references (p. 75-76). Subjects--Topical Terms: Mineral industries--Finance. Dewey Class. No.: 338.7622