Yin, Robert K.
Case study research : design and methods - 2nd ed. - Thousand Oaks, Calif. : Sage, 1994 - 171
CASE METHOD
SOCIAL SCIENCES--RESEARCH--METHODOLOGY
H62 / Y56C 1994
Case study research : design and methods - 2nd ed. - Thousand Oaks, Calif. : Sage, 1994 - 171
CASE METHOD
SOCIAL SCIENCES--RESEARCH--METHODOLOGY
H62 / Y56C 1994