Tanjung, I., H. . Mawengkang, and S. Sawaluddin. “Direct Search Techniques for Mixed Stochastic Nonlinear Programming Model”. Sinkron : Jurnal Dan Penelitian Teknik Informatika, vol. 7, no. 3, July 2023, pp. 1287-98, doi:10.33395/sinkron.v8i3.12542.