na YOGYA-02090000039038 20090227025430.0 ind 0-335-20934-3 010-020900000039038 362 362 Wal S WALKER, Robert Social security and welfare concepts and comparisons Robert Walker 1 st.ed New York Open University Press 2005 XI, 354 hlm ilus 23 cm Bibliografi : hlm. 314-333 Indeks Kesejahteraan sosial YOPDYOG[B] 1 05B0012641