Hisjam, M., N. Octyajati, W. Sutopo, and A. Ali. “A Decision Support System to Achieve Self-Sufficiency of Soybean (Case: Central Java Province, Indonesia)”. Jurnal Optimasi Sistem Industri, vol. 19, no. 2, Nov. 2020, pp. 144-56, doi:10.25077/josi.v19.n2.p144-156.2020.