Siregar, Ade Perdana, Teguh Setiawan Wibowo, Pandu Adi Cakranegara, Uli Wildan Nuryanto, and Muhammad Iqbal Fajri. 2022. “Marketing Mixture Analysis On Product Sales Increase”. Enrichment : Journal of Management 12 (3), 2469-76. https://doi.org/10.35335/enrichment.v12i3.685.