F.Yu.Khabibov, M.S.Narziyev and M.A.Abdullayeva 2020. Optimization Of The Final Distillation Process By MultiStage Ato. The American Journal of Applied Sciences. 2, 09 (Sep. 2020), 255–262. DOI:https://doi.org/10.37547/tajas/Volume02Issue09-36.