TY  - BOOK
T1  - Clear effective writing a PPI manual.
LA  - English
PP  - Manila
PB  - Philippine Press Institute and Philippine Airlines
YR  - 1969
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217606042642
OP  - 32
CN  - PE 1408 P55
KW  - English language : Composition and exercises.
KW  - Writing.
ER  -