BOUSSAADE, Latifa (2003) Etude comparative des principaux ravageurs des agrumes et leurs ennemis naturels en vergers bio, sous protection intégrée et conventionnel. [The status of citrus pests and their natural ennemies in organic orchards as compared to conventional and IPM ones conducted in Marrakech (South of Morocco).] Thesis, IAMB Mediterranean Agronomic Institute of Bari, Organic farming. [ Unpublished, ]