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Vance, Colin, Ritter, Nolan. ().
Is Peace a Missing Value or a Zero? On Selection Models in Political Science .
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Vance, Colin, Ritter, Nolan.
Is Peace a Missing Value or a Zero? On Selection Models in Political Science.
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Text.
Gaya MLA
Vance, Colin, Ritter, Nolan.
Is Peace a Missing Value or a Zero? On Selection Models in Political Science.
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Text.
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Vance, Colin, Ritter, Nolan.
Is Peace a Missing Value or a Zero? On Selection Models in Political Science.
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