00505nam a2200169 a 4500 20260717093344.0 260717s2022 ii 000 0 eng d 9789355320025 eng 509.076 Kumar,Vinay. Science And Technology Question Bank For Civil Services Preliminary Examination / Kumar,Vinay. 4th ed Chennai : McGraw Hill Education (India)Private Limited, 2022. 357,p ; 24 cm. BK 57137 57137 0 0 0 0 DC BKBCL BKBCL 2022-08-22 335.00 0 509.076 KUM 87785 2026-07-17 09:33:44 335.00 2026-07-17 BK