H. W. Sitorus, I. G. N. A. Aviantara, and I. A. R. P. Pudja, “Marketing Strategy Analysis with SWOT and QSPM Methods at PT Wedhatama Sukses Makmur, Singaraja, Bali”, JBETA, vol. 11, no. 2, pp. 279–286, Feb. 2026.