Atlas of common bean (Phaseolus Vulgaris L.) production in Africa
Autor:Eledu, Charles A.; Kirkby, Roger A.; Wortmann, CharlesRavageurs, maladies et déficits nutritionnels du haricot en Afrique: Gude pratique
Autor:Allen, David J.; Ampofo, James Kwasi; Wortmann, CharlesPragras, doencas e prolemas nutricionais do feijoerio na Africa: GuÝa de campo
Autor:Ampofo, James Kwasi; Allen, David J.; Wortmann, CharlesPests, diseases and nutritional disorders of the common bean in Africa: A field guide
Autor:Wortmann, Charles; Allen, David J.; Ampofo, James Kwasi