TY  - BOOK
AU  - Disha Publication
TI  - Ecology and environment compendium with NCERT (class 6 to 12): coverage for UPSC, IAS and state PSC : general studies prelim and main exams [4th ed.]
T2  - General studies compendium series
SN  - 9789355640901
U1  - 351.076 
PY  - 2024///]
CY  - New Delhi
PB  - Disha Publication
KW  - Competitive exams
KW  - Ecology
KW  - Environment
ER  -