Tsim, Y.C.; Yeung, V.W.S.; Leung, Edgar T.C. (2002). "An adaptation to ISO 9001:2000 for certified organizations". Managerial Auditing Journal. 17 (5): 245. doi:10.1108/02686900210429669. hdl:10397/60545.
Poksinska, Bozena; Dahlgaard, Jens Jörn; Antoni, Marc (2002). "The state of ISO 9000 certification: A study of Swedish organizations". The TQM Magazine. 14 (5): 297. doi:10.1108/09544780210439734.
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Tsim, Y.C.; Yeung, V.W.S.; Leung, Edgar T.C. (2002). "An adaptation to ISO 9001:2000 for certified organizations". Managerial Auditing Journal. 17 (5): 245. doi:10.1108/02686900210429669. hdl:10397/60545.