Top 923 agricultural laborers PDF Book Page 34

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Biotechnology in Agriculture: Proceedings of the First Asia-Pacific Conference on Agricultural Biotechnology, Beijing, China, 20–24 August 1992

Li Zhensheng (auth.), Chongbiao You, Zhangliang Chen, Yong Ding (eds.)
·534 Pages
·1993
·32.552 MB

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Improving Agricultural Research at Universities in Sub-Saharan Africa: A Study Guide

Michelsen,Zuidema,Hoste,Shapiro
·119 Pages
·2003
·5.858 MB

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