Jeanne Fransisca Bokko, and Mey E.Limbongan. “Promotion Strategy Of Soponyono Restaurant In Maintaining Customer Existence In Kesu’ Sub-District, North Toraja District”. Proceeding of The International Conference on Economics and Business, vol. 1, no. 1, June 2022, pp. 321-30, doi:10.55606/iceb.v1i1.405.