TY  - BOOK
AU  - Wiles Jon
AU  - Joseph Bondi
TI  - Supervision: a guide to practice
U1  - 371.2 WIL 22
PY  - 1991///
CY  -  New York
PB  - Macmillan Publishing
KW  - School Supervision
N1  - includes bibliographical references and index
ER  -