TY  - BOOK
AU  - De Villa, Evelyn SJ.,
AU  - De Villa, Evelyn SJ., 
TI  - Development of validation of worktext book in industrial arts /  
U1  - 370.92 
KW  - Basic Electricity and Electronics
KW  - Supplementary Materials
KW  - Industrial Arts
KW  - Proficiency level
N1  - Included bibliographical references
ER  -