A. J. Ibarguen Rengifo and C. A. Vargas Hernández, “Diagnosis of the Application of NTC ISO 9001: 2015 IN SMEs of the Leather, Footwear and Leather Goods Industry”, ing. Solidar, vol. 16, no. 1, pp. 1–21, Jan. 2020, doi: 10.16925/2357-6014.2020.01.01.