TY  - BOOK
AU  - Yin, Robert K.
TI  - Case Study Research Design and Methods 
SN  - 0803956630
U1  - 300.722 
PY  - 1994///
CY  - Thousand Oaks, CA : 
PB  - Sage  Publications, 
KW  - Case Methods
KW  - Social Sciences Research Methodology
N1  - YY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-8039-5663-0.pdf
ER  -