Contreras OAR, Silva FAB. COMPETITIVE STRATEGY TO ACHIEVE ISO-9001 CERTIFICATION IN SMALL AND MEDIUM SUPPLY ENTERPRISES IN CIUDAD JUAREZ, CHIHUAHUA, MEXICO. ESJ [Internet]. 2014 Jan. 14 [cited 2025 Apr. 19];9(10). Available from: https://test.eujournal.org/index.php/esj/article/view/2260