TY  - BOOK
AU  - Dela Cruz, Estrillita S.
AU  - Dela Cruz, Estrillita S.
AU  - Diaz, Estilita S.
TI  - Science and Health For a Changing Environent
SN  - 9710717243
U1  - FIL 500  
PY  - 2000///
CY  - Quezon City
PB  - Vibal Publishiing House Inc.
N1  - includes Bibliographical References; People -- Animals and Plants -- Matter Energy, and Motion-- The earth and the sky
ER  -