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Howeler, Reinhardt H. ,  Kawano, K ,  Watananonta, W ,  Tran Ngoc Ngoan ,  [Working with farmers: Spreading new cassava varieties, improved practices ........ and new hope] ,  Working with farmers: Spreading new cassava varieties, improved practices ........ and new hope

Howeler, Reinhardt H. ,  Watananonta, W ,  Tran Ngoc Ngoan ,  [Improving the sustainability of cassava-based cropping systems in Asia: a farmer participatory approach to technology development and dissemination] ,  Improving the sustainability of cassava-based cropping systems in Asia: a farmer participatory approach to technology development and dissemination