NURAIDA, A.; HARTATI, T.; SOFA, N. ANALISIS PERBEDAAN RASIO PROFITABILITAS SEBELUM DAN SESUDAH SERTIFIKASI ISO 9001 ( STUDI PADA PT WATER TREATMENT ). Prosiding Seminar Nasional Terapan Riset Inovatif (SENTRINOV), [S. l.], v. 6, n. 2, p. 43-49, 2020. Disponível em: https://proceeding.isas.or.id/index.php/sentrinov/article/view/413. Acesso em: 22 nov. 2024.