TY  - BOOK
AU  - Bahvlak Vigyan Kendra
TI  - Paryavarniya adhyan ke sandharab mein polypropylin high density polyethylene se buni hui boriyon tatha jute/kagaz se nirmit boriyon ke jeeven chakra ka tulnatmak vishleshan
U1  - 658.564 B51P 
PY  - 2002///
CY  - New Delhi
KW  - Waste disposal
ER  -