TY  - BOOK
T1  - PO, beyond yes & no
A1  - De Bono, Edward 1933-
LA  - English
PP  - Harmondsworth, Middlesex, Eng.
PB  - Penguin
YR  - 1972
ED  - Rev. ed.
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217603981430
OP  - 176
CN  - BF 408 D44 1972
KW  - Creative thinking.
KW  - Thought and thinking.
ER  -