Engel's Law | Rulon D. Pope | 2012
BYU Speeches
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Engel's Law | Rulon D. Pope | 2012
2 470 просмотров · 14 лет назад
BYU Speeches
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2 470 просмотров · 14 лет назад
http://speeches.byu.edu
BYU Distinguished Faculty Lecture given by Rulon D. Pope, professor of economics, on 15 May 2012.
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