TY  - BOOK
AU  - Cunningham, William P.
AU  - Saigo, Barbara Woodworth
TI  - Instructor's Manual and Test Item File to Accompany Environmental Science a Global Concern 
SN  - 0697412490
U1  - 628.02 
PY  - 1999///
CY  - Boston : 
PB  - Wcb/McGraw-Hill, 
KW  - Environmental Sciences Manual
N1  - NN
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-697-41249-0.pdf
ER  -