Rosa Tuwi Suryani and Slamet Harjatno (2020) “PENGARUH BRAND, INTERNET PROMOTION DAN RELATIONSHIP MARKETING TERHADAP LOYALITAS DISTRIBUTOR PADA PT.EKOSJAYA ABADI LESTARI DI SIDOARJO”, International Journal on Economics, Finance and Sustainable Development, 2(4), pp. 27-34. doi: 10.31149/ijefsd.v2i4.449.