Warankiran, Russel F., Johny A. F. Kalangi, and Olivia F. C Walangitan. “Pengaruh Kualitas Pelayanan Terhadap Penjualan Mobil Toyota Pada PT. Hasjrat Abadi Cabang Manado”. Productivity 4, no. 4 (July 25, 2023): 554–563. Accessed January 18, 2025. https://ejournal.unsrat.ac.id/v3/index.php/productivity/article/view/49988.