Porterfield, John D.
Voice American Forum Lecture, [date of publication not identified]
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Guttmacher, Sally, author
Jossey-Bass, 2010
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Turnock, Bernard J., author
Jones & Bartlett Learning, 2012
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McCoyd, Judith L.M, author
Roudledge, 2016
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Maurer, Frances A., author
Elsevier Saunders, 2013
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