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]. 2020 Jan. 20 [cited 2026 Jun. 18];8(1):138-51. Available from: https://scholarpublishing.org/journals/index.php/ABR/article/view/9403