In the present investigation the samples were collected from July 2009 to June 2012 and 124 species 67 genera 29 families 12 orders of fish are recorded. Fishes were collected from 15 fish landing centers out of 87 at Bogra ...

The researcher closely studied I 44 urban and 103 rural mentally retarded persons in Bangladesh. The age of the subjects ranges between 2 and 38 years. Out of total 24 7 cases 165 are male and 82 are female. The subjects ...