Konopka Gisela.
Social Group Work A Helping Process - 2nd ed. - New Jersey Prentice Hall 1972 - 226 p.
SOCIAL WORK
HM131 / K82S 1972
Social Group Work A Helping Process - 2nd ed. - New Jersey Prentice Hall 1972 - 226 p.
SOCIAL WORK
HM131 / K82S 1972
