Yulianto, Tony, Kuzairi Kuzairi, and Riyatun Hasanah. 2016. “IMPLEMENTASI METODE LAGRANGE UNTUK OPTIMASI PENYAKIT KANKER HATI”. UJMC (Unisda Journal of Mathematics and Computer Science) 2 (1), 62-68. https://doi.org/https://doi.org/10.52166/ujmc.v2i1.451.