Singh Surender & Parmar Virinder. (2024). General Studies for Civil Services Preliminary Examination: Also useful for State Public Service Commission Examinations Paper-I. Mc Graw Hill.
Citace podle Chicago (17th ed.)Singh Surender a Parmar Virinder. General Studies for Civil Services Preliminary Examination: Also Useful for State Public Service Commission Examinations Paper-I. Chennai: Mc Graw Hill, 2024.
Citace podle MLA (9th ed.)Singh Surender a Parmar Virinder. General Studies for Civil Services Preliminary Examination: Also Useful for State Public Service Commission Examinations Paper-I. Mc Graw Hill, 2024.
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