TY  - BOOK
AU  - 	Vengco, Lilia G.
AU  - Vengco, Lilia G.
TI  - You and the natural world series : earth and life science
SN  - 9789710639274
U1  - 550 Re27y 2016 
PY  - 2016///
CY  - Quezon City
PB  - Phoenix Publishing House, Inc.
KW  - Earth sciences
KW  - Science
KW  - Life sciences
N1  - Includes bibliographical references
ER  -