Supervision:
Lovell,John T.
Supervision: perspectives & propositions/ Lovell,John T. - Washington. Association for supervision and curriculum development, 1967. - x,53p.; 23cm.
Social,probs &services.
361.0068LOV
Supervision: perspectives & propositions/ Lovell,John T. - Washington. Association for supervision and curriculum development, 1967. - x,53p.; 23cm.
Social,probs &services.
361.0068LOV