TY  - BOOK
AU  - Chang, Richard Y  & Kelly, P Keith
TI  - Step-by-step problem solving : a practical guide to ensure problems get(and stay) solved
SN  - 81-7544-113-5
U1  - 658.403 Cha/Kel 
PY  - 1993///
CY  - A H Wheeler, New Delhi
KW  - Commerce and Management
ER  -