TY  - BOOK
AU  - De Leon, Crisanto c.
TI  - Exploratory for grade 7/8: technical drafting 
SN  - 9789710144532
PY  - 2016///
CY  - Plaridel, Bulacan
PB  - St. Andrew Publishing House
KW  - drafting
KW  - sears
KW  - technical drafting
KW  - technical drawing
ER  -