Social workers : their role and tasks
Bedford Square Press, 1982
 Buku Teks
Zacharias, Franziska
Knowledge representations for planning manipulation tasks
Springer, 2012
 eBooks
Bartholomae, David J.
Stochastic models for social processes
John Wiley & Sons, 1982
 Buku Teks SO
Tuma, Nancy Brandon
Social dynamic: models and methods
Academic Press, 1984
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Causal models in the social sciences
edited by H.M. Blalock
Aldine Publishing, 1974
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