TY  - GEN
AU  - Chang, Richard Y.
AU  - Kelly, P. Keith
TI  - Step-by step problem solving : a practical guide to ensure problems get (and stay) solved
AV  - HD30.29 Cha.
PY  - 1993///
PB  - Kogan Page
KW  - Problem solving
N1  - 6553
ER  -