TY  - BOOK
AU  - 
AU  - Unday, Joel E.;Banzuela, Shirley O.,;Dalisay, Jill B.,;Aromin, Mayette L.,
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 978-971-0167-06-7 (paperback)
SN  - 2
PY  - 2012///]46
CY  - Quezon City, Philippines
PB  - Maxcor Publishing House
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Environmental sciences
KW  - sears0
N1  - Includes bibliographical references.; 5
ER  -