TY  - BOOK
AU  - Velasquez,Maximiniano Aspiras
TI  - Development of principles for in service improvement of teachers in the Philippine with special reference to Sulu province
PY  - 1953///
CY  - Ann Arbor, Mich.
PB  - University Microfilms International
KW  - Teachers
KW  - Training of
KW  - Philippines
KW  - In-service training
KW  - Teachers, Training of
KW  - In
KW  - service training
N1  - Thesis (Ph.D.) - University of Illinois, 1953
ER  -