TY  - BOOK
AU  - Ballado, R.S.
TI  - Basic concepts in educational technology I
SN  - 978-971-23-6255-2
U1  - GC 371.33 B188 2012 
PY  - 2012///
CY  - Manila
PB  - Rex Book Store
KW  - Education
N1  - Includes bibliographies and references
ER  -