I Putu Aditya Surya Pratama, et al. “PENGARUH LOYALTY PROGRAM, DISCOUNT, MERCHANDISNG TERHADAP LOYALITAS PELANGGAN MATAHARI DEPARTMENT STORE DUTA PLAZA”. EMAS: Jurnal Ekonomi, Manajemen Dan Bisnis, vol. 5, no. 3, Oct. 2024, pp. 81-95, doi:10.36733/emas.v5i3.9997.