TY - BOOK AU - GKP TI - UPSC ESE General Studies and Engineering Aptitude (Preliminary Examination) Paper I SN - 9788193303610 U1 - 621 GKP PY - 2017/// CY - Roorkee PB - G.K. Publishers Pvt. Ltd. KW - Engineering Aptitude KW - General Studies - Manual - Civil Services ER -