Jakfat Haekal (2022) “Quantitative Strategic Planning Matrix (QSPM) in Determining Alternative Strategies for the Covid-19 Epidemic in the Food and Beverage Manufacturing Companies in Indonesia”, International Journal of Scientific and Academic Research (IJSAR), eISSN: 2583-0279, 2(4), pp. 1–10. doi: 10.54756/IJSAR.2022.V2.i4.1.