Suggested guidelines relating to the international movement of cassava planting materials: Conference Conference Proceedings of an interdisciplinary workshop held at IITA, Ibadan, Nigeria, 1721 November, 1975

Bellotti, A., Lozano, J.C., van Schoonhoven, A., Terry, E.R. & Booth, R. (1976). Suggested guidelines relating to the international movement of cassava planting materials, The International Exchange and Testing of Cassava Germ Plasm in Africa: proceedings of an interdisciplinary workshop. London, United Kingdom: British Crop Protection Council, (p. 51-52).