Azaluddin, Azaluddin, and Jamdia Jamdia. “Marketing Strategy Analysis Using the Quantitative Strategic Planning Matrix (QSPM) to Increase Sales Furniture”. Sang Pencerah: Jurnal Ilmiah Universitas Muhammadiyah Buton, vol. 8, no. 2, May 2022, pp. 566-78, doi:10.35326/pencerah.v8i2.2236.