ERINA, Desty; PURWANTO, Agustinus Hariadi Djoko. Analysis of the Implementation of the ISO 9001:2015 Quality Management System Using GAP Analysis(Case Study at a National Gas Distribution Company). Business, Economics, Law, Communication, and Social Sciences, Jakarta, ID, v. 1, n. 5, p. 611–623, 2025. DOI: 10.000000/belacoss.v1i5.457. Disponível em: https://journal.arepublisher.com/index.php/belacoss/article/view/457.. Acesso em: 14 mar. 2026.