Alwitri, Yola, Librina Tria Putri, dan Litra Diantara. 2020. “ANALYSIS OF THE EFFECT OF PROMOTION THROUGHT SOCIAL NETWORKS ON SALES AT KLINIK SELERA IN BANGKINANG CITY”. Jurnal Riset Manajemen Indonesia 2 (4). https://doi.org/10.55768/jrmi.v2i4.43.