TY  - BOOK
AU  - Thomas,Debra A
TI  - Substituting as a teacher: being the best 
AV  - LB2844 .S837 1991
PY  - 1991///
CY  - Saratoga, California
PB  - R&E Publishers
KW  - Substitute teachers
N1  - Bibliography: pages 53; 2
ER  -