Aba, Eli Kofi; Badar, M. Affan; Hayden, Michael Allen - In: International Journal of Quality & Reliability Management 33 (2016) 1, pp. 78-89
operating performance for a period of five years including one-year prior to certification, year of certification, and three … ISO 9001 certification is statistically related to operating performance. Certified firms have better operating … performance. The positive significance in decile operating performance from prior year to certification year is an important …