SOEWIGNYO, Tonny.
ISO 9001 Quality Certification and Financial Performance of Selected Manufacturing Companies.
JBE (Journal of Business and Economics), [S.l.], p. 203-209, dec. 2011.
ISSN 1412-0070. Available at: <https://ejournal.unklab.ac.id/index.php/jbe/article/view/86>. Date accessed: 04 oct. 2025.