TY  - BOOK
AU  - Worell Judith
AU  -  Nelson C Michael
TI  - Managing instructional problems : A case study workbook
T2  - McGraw - Hill series in special education
SN  - 0-07-071869-5
PY  - 1974///
CY  - New York, USA
PB  - McGraw-Hill Book Company
KW  - Teaching
ER  -