Firdiansyah, A. “THE OPTIMAL COMPOSITIONS OF DAILY MENU FOOD FOR BREASTFEEDING MOTHERS USING THE SIMPLEX METHOD”. BAREKENG: Jurnal Ilmu Matematika Dan Terapan, Vol. 16, no. 2, June 2022, pp. 563-8, doi:10.30598/barekengvol16iss2pp563-568.