Natela Khetsuriani, Elza Topuria, Irina Mchedlishvili, Tamar Shatakisvili, and Maka Kopaleishvili. 2021. “COMPREHENSIVE METHODOLOGY FOR INVESTIGATION OF MIDDLE FRACTIONS OF PETROLEUM”. World Science, no. 10(71) (November). https://doi.org/10.31435/rsglobal_ws/30112021/7704.