“Analisis Karakteristik Fungsi Lagrange Dalam Menyelesaikan Permasalahan Optimasi Berkendala: Characteristics Analysis of Lagrange Functions in Resolving Problems with Constrained Optimization” (2018) Talenta Conference Series: Science and Technology (ST), 1(1), pp. 037–043. doi:10.32734/st.v1i1.187.