TY  - BOOK
AU  - Ohio Vocational Education State Deptt. of Education, Columbu
TI  - Trade & industrial education service teacher improvement, state of Ohio : Study guide, use of laboratory procedures in teaching trade technology unit-14
U1  - 380.107 OHI 
PY  - 1948///
CY  - Columbus
PB  - State Deptt. of Education Ohio
KW  - COMMERCE AND TRADE
ER  -