TY  - BOOK
AU  - Saltarin, Cherima D.
TI  - Demonstration lesson plan in elementary math IV
SN  - 2094-8042
U1  - DPer 370.105 M72 Jan-Dec 2012 v. 60-61   
PY  - 2012///.
CY  - Philippines: 
PB  - In the Grade School, Inc., 
KW  - Programmed instruction
KW  - Mathematics
N1  - The Modern Teacher
ER  -