TY  - BOOK
AU  - Mosher, Ralph L
AU  - Purpel, David E
TI  - Supervision: The Reluctant Profession
SN  - 039512509X
U1  - 371.2011 
PY  - 1972///
CY  - Boston
PB  - Houghton Mifflin Company
KW  - Education
ER  -