Smit, Philippus. Botswana; resources and development [by] P. Smit. Cartographer: E. Hardy. - Pretoria, Africa Institute, 1970. - Communications, no. 13 . - Communications of the Africa Institute ; no. 13. . Includes bibliographical references. ISBN: R5.40 LCCN: 72170987 //r852 Nat. Bib. No.: SANL Subjects--Topical Terms: Natural resources -- Botswana.--Natural resources -- Botswana. Subjects--Geographic Terms: Botswana -- Economic conditions -- 1966---Botswana -- Economic conditions -- 1966---Botswana -- Economic conditions -- 1966-Botswana -- Social conditions.--Botswana -- Social conditions. LC Class. No.: DT1 HC517.B6 / .A143 no. 13