TY  - BOOK
AU  - School Zone Publishing Company
TI  - Subtraction 0-12 Flash Card
U1  - 510.7 
PY  - 2017///
CY  - Sine Loco (tempat terbit tidak di ketahui)
PB  - School Zone Publishing Company
KW  - 0
KW  - Grade 1-6
N2  - numbers
ER  -