African cassava mosaic disease and its control PATHOLOGIE VEGETALE VIROSE VECTEUR ETIOLOGIE EPIDEMIOLOGIE DEGATS FACTEUR ECOLOGIQUE DISTRIBUTION SPATIALE METHODE DE LUTTE PREVENTION SANITAIRE PLANTE SAINE PRODUCTION VARIETE RESISTANTE SELECTION MOSAIQUE AFRICAINE DU MANIOC MOUCHE BLANCHE CTA 1987 text https://www.documentation.ird.fr/hor/HZ00027367 HZ00027367 African cassava mosaic disease and its control. CTA, 1987, 301 multigr. International Seminar on African Cassava Mosaic Disease and its Control, Yamoussoukro (CIV), 1987/05/04-08 EN AFRIQUE INDE