TY  - BOOK
T1  - Extra drills & practices.
A1  - Sheeler, Willard De Mont 1915-
LA  - English
PP  - Portland, Or.
PB  - English Language Services
YR  - 1978
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217603766291
OP  - 136
CN  - PE 1128 S53
KW  - English language : Text-books for foreign speakers.
ER  -