TY  - BOOK
AU  - Disha Publication
TI  - Science, technology and ecology : NCERT plus : objective and subjective question bank for UPSC, CSE and state PSC prelim and main exams
SN  - 9789390486038
U1  - 001.2 
PY  - 2024///]
CY  - New Delhi
PB  - Disha Publication
KW  - Competitive Exams
KW  - Ecology
KW  - Science
KW  - Technology
ER  -