Ojha, N. (2010). Planner: For civil services examination (11th ed.). Chronicle books.
Chicago Stili AlıntıOjha, N.N. Planner: For Civil Services Examination. 11th ed. New Delhi: Chronicle books, 2010.
MLA AlıntıOjha, N.N. Planner: For Civil Services Examination. 11th ed. Chronicle books, 2010.
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