TY  - BOOK
AU  - Bent,Rudyard Kipling
AU  - Kronenberg,Henry H.
TI  - Principles of secondary education
AV  - LB1607 E6 B4.6
PY  - 1966///
CY  - New York
PB  - McGraw-Hill
KW  - EDUCACION SECUNDARIA -
KW  - ESTADOS UNIDOS
ER  -