Shyamalie Ekanayake, and Dhammika Abeysinghe. “ENTREPRENEURIAL STRATEGIC INNOVATION MODEL FOR ATTAINING PREMIUM VALUE FOR THE SRI LANKAN GEM AND JEWELLERY INDUSTRY”. Asian Academy of Management Journal, vol. 15, no. 2, July 2010, pp. 217–237, https://ejournal.usm.my/aamj/article/view/aamj_vol15-no-2-2010_6.