ISBNs beginnend mit 978-0-202-xxxxx-xJames K Whittaker × Social TreatmentAn Approach to Interpersonal HelpingJames K WhittakerAldine de Gruyter Social TreatmentAn Approach to Interpersonal HelpingJames K WhittakerAldine de Gruyter 1979 Social Support NetworksInformal Helping in the Human ServicesJames K WhittakerAldine de Gruyter 53,69 € Social Support NetworksInformal Helping in the Human ServicesJames K WhittakerAldine de Gruyter 1983
