Bilqis Nabila Istiqlaliani, et al. “Marketing Mix Analysis in Enhancing Product Competitiveness in the Local Market : (Case Study on Adam Koi)”. Harmoni Economics: International Journal of Economics and Accounting, vol. 2, no. 4, Nov. 2025, pp. 145-51, doi:10.70062/harmonieconomics.v2i4.351.