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From maize mono-cropping to conservation agriculture : a multi-perspective analysis of smallholder conservation agriculture in Southern, Central and Eastern Zambia = Fra mais monokultur till conservation agriculture : en multi-perspektiv analyse av conservation agriculture for småbrukere i Sør-, Sentral- og øst Zambia / Bridget Bwalya Umar.
- 633.15096894 U48
- Umar, Bridget Bwalya.
- Department of international environment and development studies, Norwegian University of Life Sciences,
- 2012.
- Ås :