TY  - BOOK
AU  - Ballado, Ronato S.
AU  - 
TI  - Basic concepts in educational technology I
SN  - 978-971-23-6255-2
U1  - 371 B210 2016 
CY  - Manila
PB  - Rex Book Store.
KW  - Educational technology
KW  - Teaching aids and devices
KW  - Audio-visual materials
N1  - Includes references & index
ER  -