01071nam a2200265 a 4500 20181210082954.0 930728s1993 dcub b i000 0 eng 93030143 0821325981 DLC DLC BD-DhBPA S542.S15 R48 1993 630.72067 20 WOR 1993 Revitalizing agricultural research in the Sahel : a proposed framework for action / Jan Weijenberg ... [et al.]. Washington, D.C. : World Bank, 1993. xvii, 89 p. : col. map ; 28 cm. World Bank discussion papers, 0259-210X ; 211. Africa Technical Department series Includes bibliographical references (p. 89). Zahid Agriculture Research Sahel. 139126 National agricultural research systems Sahel. 139127 Weijenberg, Jan 1937- 139128 World Bank discussion papers ; 211. 139129 World Bank discussion papers. Africa Technical Department series. 139130 ddc BK 49819 49819 0 ddc 0 0 BPATC BPATC B 2018-05-27 0 630.72067 WOR 1993 WB4161 2018-05-27 00:00:00 2018-05-27 BK Zahid