TY  - BOOK
AU  - Espina,Adela 
TI  - Exploring science and technology I : integrated science [teacher's manual]
SN  - 978-971-48-0849-2
U1  - Fil. 500 Es77 2008 
PY  - 2008///
PB  - DIWA Scholastoc Press, 
KW  - Science - Study and teaching (Secondary)
N1  - Includes references

ER  -