[1] C. International Conference on the Organization of Research and Training in Africa in relation to the Study and J. Sawyerr, "A Special study of the natural resources bureaux or similar institutions existing in Africa: comparison with similar bodies in other developing countries ," 1964.

International Conference on the Organization of Research and Training in Africa in relation to the Study, Conservation and Utilization of Natural Resources, Lagos, 1964 and Sawyerr, J.S., "A Special study of the natural resources bureaux or similar institutions existing in Africa: comparison with similar bodies in other developing countries ," 1964.

International Conference on the Organization of Research and Training in Africa in relation to the Study, C., Sawyerr, J., (1964). "A Special study of the natural resources bureaux or similar institutions existing in Africa: comparison with similar bodies in other developing countries,"

International Conference on the Organization of Research and Training in Africa in relation to the Study, Conservation and Utilization of Natural Resources, Lagos, 1964, Sawyerr, J.S.. (1964). "A Special study of the natural resources bureaux or similar institutions existing in Africa: comparison with similar bodies in other developing countries,"