1.
UPAYA UPAYA MEMPERTAHANKAN LOYALITAS PELANGGAN PADA PT. PERTAMINA LUBRICANTS REGION IV SEMARANG (Pada Produk Fastron). SLSI [Internet]. 2020 Sep. 9 [cited 2025 Apr. 22];18(3). Available from: https://journals.usm.ac.id/index.php/solusi/article/view/2606