Siagian, Ade Onny, and Hadion Wijoyo. “Dampak Kualitas Pelayanan Dan Kualitas Produk Terhadap Kepuasan Konsumen PT. Gemilang Sinar Jaya”. Insight Management Journal 1, no. 3 (May 28, 2021): 106-114. Accessed October 27, 2025. https://journals.insightpub.org/index.php/imj/article/view/78.