Batten,T.R.
The human factor in youth work / T.R. Batten eith the collaboration of Madge Batten
Oxford University Press , 1970
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Doxiadis, C. A.
The human settlements that we need
Tata McGraw-Hill, 1976
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Sensitivity training and the laboratory approach: readings about concepts and applications
F.E. Paecock Publishers, Inc., 1973
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Corey, Marianne Schneider
Groups : process and practice
Thomson/Brooks/Cole, 2006
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Corey, Gerald
Theory and practice of group counseling
Brooks/Cole, Cengage Learning, 2012
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