TY  - BOOK
AU  - Bossing, Nelson L.
TI  - Principles of secondary education
U1  - FOR 373.73 B65p [n.d.] 
PY  - 0000///[n.d.]
CY  - [S.l.]
PB  - [s.n.], 
KW  - Education
KW  - Study and teaching.
N1  - Includes bibliographical references and index.
ER  -