TY - BOOK AU - Harbeck,Mary Blatt TI - A sourcebook for science supervisors AV - Q181 .H25 U1 - 507 PY - 1967///] CY - Washington PB - National Science Supervisors Association, A Section of the National Science Teachers Association KW - Science teachers KW - Local KW - Science KW - Study and teaching KW - Supervisor N1 - Later ed. (c1976) entered under title: 2nd sourcebook for science supervisors; Includes bibliographies ER -