TY  - BOOK
T1  - How to get profitable ideas for creative problem solving
A1  - Yeck, John D.
LA  - English
PP  - New York
PB  - McGraw-Hill
YR  - 1965
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217602443887
OP  - 309
CN  - BF 637 S8 Y4
KW  - Success.
KW  - Mental discipline.
KW  - Problem solving.
ER  -