Valbona Barolli Heihachiro Fukuda Leonard Barolli Makoto Takizawa Turning point from economies of scale to quality enhancement: a marketable quality and profitability model for corporations. 227-248 2007 2 IJBIDM 2 http://dx.doi.org/10.1504/IJBIDM.2007.013939 db/journals/ijbidm/ijbidm2.html#BarolliFBT07