00381nam a2200133Ia 4500008004100000020001800041040003800059100002200097245004300119250000800162260004800170300001600218653001300234211230s9999 xx 000 0 und d a81 85135 42 8 cJayakar Knowledge Resource Centre aBharadwaj, Shyama 0aCase-study method: theory and practice a1st bNational Book OrganisationaNew Delhic1989 axvi,133p p. aResearch