An African fertilizer crisis

Food Policy - Tập 12 - Trang 337-348 - 1987
Joachim von Braun1, Detlev Puetz1
1International Food Policy Research Institute, 1776 Massachusetts Avenue, NW, Washington, DC,, 20036, USA

Tài liệu tham khảo

Food and Agriculture Organization, 1986, Atlas of African Agriculture, 67 Government of the Gambia, 1986, Fertilizer Sub-Sector Paper: Marketing and Price Policy Analysis, 13 Government of the Gambia, 1986, Fertilizer Sub-Sector Paper: Marketing and Price Policy Analysis, 28 Government of the Gambia, 1986, Fertilizer Sub-Sector Paper: Marketing and Price Policy Analysis, 63 Matlon, 1987, The West African semi-arid tropics, 73 1987, 360