Hartono, J.L., Budiman, I. and Sembiring, A.C. 2021. Replanning Strategis Plan for Marketing Product with SWOT Analysis, QSPM, Marketing Mix 4P and KPI Methods During the COVID-19 Pandemic. JKIE (Journal Knowledge Industrial Engineering). 8, 2 (Jun. 2021), 98-106. DOI:https://doi.org/10.35891/jkie.v8i2.2535.