Burhan, Gilang Fatikhul, and Agus Mansur. “ Marketing Strategy Planning Based on Customer Value: Perencanaan Strategi Pemasaran Berdasarkan Customer Value”. PROZIMA (Productivity, Optimization and Manufacturing System Engineering), vol. 4, no. 2, Mar. 2021, pp. 29-40, doi:10.21070/prozima.v4i2.1309.