TY  - BOOK
AU  - Eravelly,Freddy
TI  - Modul 4: mengajar operasi-operasi asas 
PY  - 1987///
CY  - Kuala Lumpur
PB  - Maktab Perguruan Ilmu Khas
KW  - Arithmetic
KW  - Study and teaching
KW  - Malaysia
KW  - Mathematics
KW  - Study and teaching (Primary)
ER  -