Tawney, R.H.
Equality
George Allen and Unwin, 1952
 Buku Teks
hapus4
Equality
China Renmin University Press, 2015
 eBooks
Thunberg, Anne-Maria
Communication and equality
Almqvist ,
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Population: challenging world crisis
edited by Bernard Berelson
Information Agency, 1975
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Functional assessment for challenging behaviors
Johnny L. Matson, editor
[Springer, Springer], 2012
 eBooks