TY  - BOOK
AU  - Lucio,William H.
AU  - Mcneil,John D.
TI  - Supervision: a synthesis of thought and action 
AV  - LB2806.4 L8.7
PY  - 1962///
CY  - New York
PB  - McGraw-Hill
KW  - Supervisión escolar
ER  -