TY  - BOOK
AU  - Zumdahl, Steven S.
TI  - Chemical Principles 
SN  - 0618372067
U1  - 540 
PY  - 2005///
CY  - Boston : 
PB  - Houghton Mifflin, 
KW  - Chemistry
N1  - NY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-618-37206-7.pdf
ER  -