The contribution of case-study is [6863]

Q) The contribution of case-study is

Options:
A)In study and data collection of a case related to caste,age,sex,religion,problems,intellectual level,socio-economic status etc.
B) In evaluating of historical facts related with persons or case
C) In study of institutionalized groups and familes
D) In all the above studies

Answer

D) In all the above studies

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