Brogan, D.W. (Denis William)
Time, 1960
Buku Teks
Kautilya
Mysore Wesleyann Mission Press 1929
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Andric, Ivo
London Lincolns-Prager Publ. 1961
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Kalchev, Kamen
Sofia Foreign Languages Press 1965
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Dzadzic, Petar
Beograd Committee for Foreign Ralations of The FPR Yugoslavia 1960
Buku Teks