Suyono, Suyono, Astri Ayu Purwati, and Michael Cutan. “Peran Kualitas Pelayanan, Total Quality Management Dan Promosi Terhadap Kepuasan Pelanggan”. INVEST : Jurnal Inovasi Bisnis dan Akuntansi 1, no. 1 (September 19, 2020): 45-56. Accessed July 5, 2025. http://www.journal.al-matani.com/index.php/invest/article/view/36.