Al Sabet, Fia Birtha. 2018. “Penerapan Sistem Manajemen Mutu Standar ISO 9001:2008 Di Lingkungan Kerja Di CV. Sinar Baja Elektrik II”. Economic: Journal of Economic and Islamic Law 8 (4), 34-45. https://ejournal.kopertais4.or.id/tapalkuda/index.php/economic/article/view/3240.