00761nam a2200217 a 4500 OSt 20260827141536.0 0323 ### ^ 9789362254924 (pbk.) PU - ARPL 004.3 SCI Disha publication Inc Science,technology and ecology NCERT plus : Objective & Subjective Question Bank for UPSC & State PSC CSE Prelim & Main Exams New Delhi : Disha Publication Inc., 2025. various paging's : 24 cm. UPSC Civil Services Examination Science UPSC Civil Services Examination Technology UPSC Civil Services Examination Question Banks Ecology ddc BK 378694 378694 0 0 ddc 0 0 REF PU PU REF 2026-03-24 360.00 0 004.3 SCI 236043 2026-04-14 12:32:00 2026-04-14 BK