TY  - BOOK
AU  - Pauk,Walter
TI  - Main idea : level L : one hundred passages with questions for developing concentration and the skill of finding the main idea, one of the six essential categories of comprehension
SN  - 0-8092-0394-9
PY  - 1985///
CY  - Lincolnwood 
PB  - Jamestown Publishers
ER  -