Crawford, James
State responsibility : the general part
Cambridge University Press, 2014
 Buku Teks
Walker, Lynne
General practice nursing
McGraw-Hill, 2010
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Kaplan, Norman M., 1931-
Treatment of hypertension in general practice
Martin Dunitz Press, 2001
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Preventive medicine in general practice
edited by Muir Gray and Godfrey Fowler
Oxford University Press, 1983
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Spiro, Herbert J., editor
Responsibility in government: theory and practice/ Herbert J. Spiro
Van Nostrand Reinhold, 1969
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