Spectrum`s Handbook of General Studies (UPSC Civil Services Preliminary Examination) - Kalpana Rajaram; Priyadarshi Kar Vidya Bhaskar (New Delhi Spectrum Books Pvt Limited, 2008)
Kalpana Rajaram; Priyadarshi Kar & Vidya Bhaskar: Spectrum`s Handbook of General Studies (UPSC Civil Services Preliminary Examination). (18th Ed) New Delhi. Spectrum Books Pvt Limited, 2008. 81-7930-280-6 Rs. 895.00--(153.94RAJ)
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