TY  - BOOK
AU  - Lankford, Francis G.
AU  - Ulrich, James
AU  - Clark, John R.
TI  - Teacher's manual including projects and activities unit and part tests for : : essential mathematics 
AV  - QA141.15 .L36 1961
PY  - 1961///
CY  - New York
PB  - Harcourt, Brace and World Inc.
KW  - Essential mathematics
KW  - Mathematics
ER  -