TY  - BOOK
ED  - Philippines.
TI  - Supplementary problems for trade schools and trades classes in the Philippine public schools
AV  - QA139 .P573 1915
PY  - 1915///
CY  - Manila
PB  - Bureau of printing
KW  - Arithmetic
KW  - Problems, exercises, etc
KW  - Textbooks
N1  - At head of title: Bureau of education
ER  -