Novitasari, D., Ida Aryati and Ratna Damayanti 2021. Analysis e Marketing, Product Innovation, and Brand Image on Purchase Decisions Janji Jiwa Coffee in Surakarta. Jurnal Mantik. 4, 4 (Jan. 2021), 2495-2498. DOI:https://doi.org/10.35335/mantik.Vol4.2021.1197.pp2495-2498.