TY  - BOOK
AU  - Clark, William D. 
AU  - McCune, Sandra Luna 
TI  - Easy math step-by-step: master high-frequency concepts and skills for mathematical proficiency-fast 
SN  - 978-1-260-13521-3
U1  - 510 C549 2019 
PY  - 2019///
CY  - New York
PB  - McGraw-Hill Education
KW  - Mathematics
N1  - Includes index
ER  -