The 1974
annual handbook for group facilitators / Edited by J. William Pfeiffer and John E. Jones
University Associates, 1974
Buku Teks
The 1977
annual handbook for group facilitators: the sixth annual / John. E. Jones and J. William Pfeiffer
University Associates, 1977
Buku Teks
The 1978
annual handbook for group facilitators: the seventh annual / Editors, J. William Pfeiffer and John E. Jones
University Associates, 1978
Buku Teks
The 1981
annual handbook for group facilitators : the tenth annual / Editors, John E. Jones and J. William Pfeiffer
University Associates, 1981
Buku Teks
The 1976
annual handbook for group facilitators: the fifth annual / Edited by J. William Pfeiffer and John E. Jones
University Associates, 1976
Buku Teks
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