TY  - BOOK
AU  - Santiago, Karen S.
AU  - Silverio, Angelina A.,
AU  - Ramos, John Donnie A.,
TI  - ELTS: : physical science 
SN  - 9789710638918
AV  - 530 Sa59e 2016 
PY  - 2016///
CY  - Quezon City
PB  - Phoenix Publishing House, Inc.
KW  - Physical science
N1  - Includes glossary, bibliography, and index
ER  -