Tengtarto JAG. INFLUENCES OF INTERNAL ENVIRONMENT, EXTERNAL ENVIRONMENT, BUSINESS ETHICS AND ENTREPRENEURSHIP TOWARD BUSINESS PERFORMANCES THROUGH DIFFERENTIATION STRATEGIES AND COMPETING SUPERIORITIES IN SMALL INDUSTRIES IN SURABAYA CITY: INFLUENCES OF INTERNAL ENVIRONMENT, EXTERNAL ENVIRONMENT, BUSINESS ETHICS AND ENTREPRENEURSHIP TOWARD BUSINESS PERFORMANCES THROUGH DIFFERENTIATION STRATEGIES AND COMPETING SUPERIORITIES IN SMALL INDUSTRIES. ABR [Internet]. 2020Jan.20 [cited 2024Nov.22];8(1):138-51. Available from: http://116.203.177.230/index.php/ABR/article/view/7551