Op een lijn in de eerste lijn 1974

Social workers / opinions on cooperation of group members / ideal group, its working methods, professions represented in it / importance and usefulness of group activities /...本数据集聚焦社会工作者（Social workers）的相关看法，涵盖小组组员协作情况、理想小组及其工作方法与小组所代表的职业类型、小组活动的重要性与实用价值等相关内容