Firjatullah, Gantari, and Onan Siregar. 2025. “Pengaruh Service Quality, Promotion Dan Level Of Loyality Terhadap Customer Satisfaction Transportasi Online”. Jurnal Ilmiah Wahana Pendidikan 11 (4.D), 45-55. https://jurnal.peneliti.net/index.php/JIWP/article/view/10212.