TY  - BOOK
T1  - International review of research in mental retardation. v. 1-  [c1966-  .
A2  - Ellis, Norman R.
LA  - English
PP  - New York
PB  - Academic Press
YR  - 1966
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217603736713
NO  - Editor : 1966-   N. R. Ellis
CN  - RC 570 I58
KW  - Mental deficiency.
ER  -