Haney, Hutch
Basic counseling responses in groups : A multimedia learning system for the helping professions
Brooks/Cole, 2001
 Buku Teks
Baldwin, Robert E.
Trade policy in a changing world economy
Harvester/Wheatsheaf, 1988
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Miles, Matthew B.
Learning to work in groups : a practical guide for members and trainers / Matthew B. Miles
Teacher College Columbia Univ., 1981
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Homan, Mark S.
Promoting community change : making it happen in the real world
Cengage Learning, 2016
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Drucker, Peter Ferdinand, 1909-2005
The changing world of the executive
Times Books International, 1985
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