TY  - BOOK
T1  - Elementary statistical methods
A1  - Walker, Helen M. (Helen Mary) 1891-1983
LA  - English
PP  - New York
PB  - Holt
YR  - 1943
UL  - https://tuklas.up.edu.ph/Record/UP-99796217603633816
OP  - 368
CN  - HA 29 W335
KW  - Statistics.
ER  -