et. al., Niken Septiani Kurnia,. “Comparison Of Optimal Distribution Route For Personal Protection Equipment By Saving Matrix And Tabu Search Methods Using Nearest Neighbor Approach At Covid-19 Referral Hospitals In West Java”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 7 (April 16, 2021): 2788–2797. Accessed May 5, 2024. https://turcomat.org/index.php/turkbilmat/article/view/3815.