TY  - BOOK
AU  - Callahan,Joseph F.
AU  - Clark,Leonard H.
TI  - Planning for competence : : innovations and issues in education 
SN  - 0023180501
U1  - 370 
PY  - 1977///.
CY  - New York : 
PB  - Macmillan Publishing Co., Inc., 
KW  - Educational innovations
ER  -