Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Library Science Research Methodology Research Methods & Design
In-depth investigations of a single person, group, event or community is called _______.
1
Descriptive method
2
Survey method
3
Case study method
4
More than one of the above
5
None of the above