Brierley, Saroo
Penguin Books, 2016
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Cooney, Eleanor
Serambi Ilmu Semesta, 2012
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Leupold, Hans
Volk Und Wissen Volksigener, 1960
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Stark, Peter A.
Macmillan Publishing Co. Inc, 1970
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Eric C. Eichenwald, Anne R. Hansen, Camilia R. Martin, Ann R. Stark
Wolters Kluwer, 2017
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