Design of a quality management system based on the ISO 9001-2015 standard at the La Inmaculada Bilingual Educational Unit in the city of Guayaquil. INQUIDE [Internet]. 2022 Aug. 17 [cited 2025 Dec. 5];2(01):13-20. Available from: https://revistas.ug.edu.ec/index.php/iqd/article/view/1803