00635nam a2200217 4500 20170720114742.0 000 000 000 9054480157 UOEL SB269 .H6 Houtcamp John A. Commidity Auctions in Tropical Africa : a survey of the African tea, Tobacco and coffee auctions / John A. Houtkamp, H. Laurens van der Laan Nethrlands : African studies Centre, c1993. 93 p. : ill. includes bibliographical indexes Plant Culture H. Laurens van der Laan lcc SBK 13660 13660 0 0 lcc 0 0 UOE UOE GEN 2017-07-20 0 SB269 .H6 20018385 2026-04-27 12:06:26 20018385 2017-07-20 SBK