Polii, G., S. D. Kindangen, and N. Runtulalo. “Analysis of SWOT Matrix, Internal and External Factor Evaluation Matrix, CPM, SPACE, and QSPM of Shopee Indonesia”. The International Journal of Business & Management, vol. 7, no. 4, Apr. 2019, doi:10.24940/theijbm/2019/v7/i4/BM1904-023.