Piaget J.Origins of Intelligence in ChildrenI.N.T.New York. 1952.
2.
See also a summary of this work in Klausemeier, H. J. & Goodwin, W. Learning and Human Abilities. Harper & RowN.Y. 1966.
3.
Ergom.Trainer's Manual to accompany a Program of Exercises for Management and Organizational Development By: Bass, B. M. in collaboration with Ryterband, E. C., Vaughan, J. A., Haas, J. A., and Deep, S. D. Published by Instad Ltd., Rochester, N.Y. 1968.
4.
Pfeiffer, J.W. & Jones, J.E.Handbooks for Human Relations Training. University Associates Ltd. 1972.
5.
Bennis, W.G.Organisational Development - nature, origins, and prospects. Addison-Wesley. 1969.
6.
Schein, E.H.Process Consultantion - its role in organisational development. Addison-Wesley. 1969.