Kundi BA, Toba RD. STUDY OF THE IMPACT OF QUALITY COSTS ON PROFITABILITY: THE CASE OF SMALL AND MEDIUM INDUSTRIES IN TANAZANIA. TJET [Internet]. 2018 Aug. 2 [cited 2026 Apr. 7];28(1). Available from: http://196.44.161.124/index.php/tjet/article/view/1813