TY  - BOOK
AU  - Briggs, Thomas H
AU  - Justman, Joseph
TI  - Improving instruction through supervision: a revision of improving instruction
U1  - 371.147 21st
PY  - 1952///
CY  - New York
PB  - Macmillan
KW  - Supervised study; Teaching-Vocational guidance; Teaching-Aids and devices
ER  -