Social welfare policy.
Contributor(s): Ponsioen, Johannes Antonius, 1911-.
Material type:
Bibliographical references included in footnotes.
First collection. Contributions to theory / Dr. J.A. Ponsioen, Pierre de Schlippe, Prof D.G. Karve and Dr. Eugen Pusii -- Second collection. Contributions to methodology / Katayun H. Cama, K.J. Nijkerk [and others]
1st collection. Contributions to theory, edited by J. A, Ponsioen.-2d collection. Contributions to methodology, ed. by J.A. Ponsioen.
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