TY  - BOOK
AU  - Tauhiduddin Ahmad, Mirza
TI  - A statistical study on trends and patterns of repetitions and dropouts in Karachi (West) Distrect
U1  - 519.5 
PY  - 1985///
CY  - Islamabad
PB  - Academy of Educational Planning and Management
KW  - Educational statistics
ER  -