@INBOOK {COULIBALY:2001, title = {Economic Impact assessment of classical biological control of cassava green mite in West Africa: an economics surplus mode}, author = {Coulibaly, O. and Hanna, R. and Yaninek, J. and Manyong, V. }, year = {2001}, type = {Book of Abstracts of the Eighth Triennial Symposium of the International Society of Tropical Toot Crops (ISTRC) - Africa Branch, 12-16 Nov.}, pages = {4}, publisher = {International Society of Tropical Toot Crops (ISTRC) - Africa Branch; International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, note = {RTB; Root and Tuber; Cassava}, }