Ummu Lisa’ada, Moh. Agung Surianto, Tiara Khoerunnisa, and Prayudi Harianto. “Analisis Kualitas Layanan Perdagangan Umum Pada PT Varia Usaha Fabrikasi”. Economic Reviews Journal 3, no. 1 (February 12, 2024): 161–172 . Accessed February 11, 2026. https://www.mes-bogor.com/journal/index.php/mrj/article/view/143.