ISBN-13: 9781138055070 / Angielski / Miękka / 2019 / 232 str.
ISBN-13: 9781138055070 / Angielski / Miękka / 2019 / 232 str.
Originally published in 1971, this title is a comprehensive and detailed presentation of the principles and practices of an activity-type, experimental form of group therapy which had proved successful with emotionally disturbed, pre-pubertal children at the time.