Items where Author is "Sief, A."
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Nyambo, Brigitte, Sief, A., Varela, Ana M., Löhr, B., Cooper, Jerry and Dobson, Hans (2009) Private extension-service provision for smallholder horticultural producers in Kenya: an approach. Development in Practice, 19 (1). 94 -102. ISSN 1364-9213 (electronic), 0961-4524 (print) (doi:10.1080/09614520802576492)