Wiles, Kimball. 4 0

Supervision for better schools. 6 6 - 3d ed. - - xxi, 343 p. 22 cm. - - - - - . - . - 0 . - . - 0 .



Bibliography: p. 313-328.



5

















5







2 = =







67017410

GB67-19440 2




2 --0------


6 --0-- 2 --------



0 2 --


--20------





School supervision. --------20--


--------20--


----2

LB2805 / .W5 19672

371.2/013 / 2

/

/