TY  - BOOK
T1  - Teacher diagnosis of educational difficulties
T2  - Merrill's international education series
A1  - Smith, Robert McNeil
LA  - English
PP  - Columbus, Ohio
PB  - C. E. Merrill
YR  - 1969
UL  - https://tuklas.up.edu.ph/Record/UP-99796217601846853
OP  - 226
CN  - LB 3051 S42
KW  - Grading and marking (Students)
ER  -