Siregar, Fatimah, Pristiyono Pristiyono, and Bhakti Helvi Rambe. “Analisis Harga, Ketepatan Waktu Dan Kualitas Pelayanan Terhadap Kepuasan Konsumen Pada Jasa Ekspedisi Labuhanbatu”. Innovative: Journal Of Social Science Research 4, no. 2 (March 30, 2024): 4642–4656. Accessed October 9, 2026. http://j-innovative.org/index.php/Innovative/article/view/9927.