New Vishal Publication. (2021). Upsc-Civil Services Exam General studies (Preliminary)Paper1&Paper2. New Vishal Publication.
Chicago-čujuhus (17. p.)New Vishal Publication. Upsc-Civil Services Exam General Studies (Preliminary)Paper1&Paper2. New Delhi: New Vishal Publication, 2021.
MLA-čujuhus (9. p.)New Vishal Publication. Upsc-Civil Services Exam General Studies (Preliminary)Paper1&Paper2. New Vishal Publication, 2021.
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