Vahlepy, Rheza, Winarno Winarno, Fahriza Azizah, and Dimas Rinaldi. “CUSTOMER SATISFACTION ANALYSIS ON SALES ENGINEERING SERVICE USING SERVQUAL AND FACTOR ANALYSIS IN PACKAGING INDUSTRY”. BAREKENG: Jurnal Ilmu Matematika dan Terapan 16, no. 2 (June 1, 2022): 663-674. Accessed May 2, 2024. https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/5294.