Loading book image Sorption of Ca 2+ and Mg 2+ ions of sulphocationite obtained by S modification of polyvinyl chloride using CaSx solution. M.Juraeva , S. Khushvaktova , E. Anorbaeva , Z. Masharipova , D.Bekchanov , M. Mukhamediev
Loading book image Modern reforms in educatijn and scince in the in the new Uzberistan: The rolt and importance of students and youth O.O. Abdullayeva, S.A.Akbarova
