The Motivational Basis of Technical Aid Robert King Hall, N. Hans and J.A. Lauwerys, eds. The Year Book of Education 1954 (Evans Brothers, 1954), pp. 44-64. Technical AidDownload Share this:TweetLike Loading... Related Author: C.A.W. Manning Professor of International Relations, L.S.E., 1930-62 View all posts by C.A.W. Manning