TY  - BOOK
AU  - Johnson, P.G
TI  - The Teaching Of Science in Public High Schools: An Inquiry into Offerings, Enrollments and Selected Teaching Conditions, 1947-48
U1  - 373.5071 
PY  - 1950///
CY  - Washington
PB  - Government printing office
KW  - Teaching of science in secondary schools
ER  -