TY - BOOK AU - Yin,Robert K TI - Case study research : design and methods T2 - Applied social research methods series SN - 0803934718 AV - H62 .Y56 1989 U1 - 300.722 22 PY - 1989/// CY - Newbury PB - Sage KW - Case method KW - Social sciences KW - Research KW - Methodology N1 - Includes indexes; Bibliography: p. 153-157 ER -