Wijaya, Natalia. “ANALYSIS INFLUENCE OF PERSONAL SELLING, SERVICE QUALITY & PRODUCT MIX ON CUSTOMER LOYALTY AT DIAH GROCERY STORE DURING POST PANDEMIC”. PROCEEDING INTERNATIONAL BUSINESS AND ECONOMICS CONFERENCE (IBEC), vol. 1, no. 1, Dec. 2022, pp. 18-27, doi:10.47663/ibec.v1i1.3.