Fayzullaev A, Astanov S, Ergasheva N. APPLICATION OF SPECTROSCOPY IN THE PROCESS OF OBTAINING DYES FROM ONION PELL. Eurasian phys. tech. j. [Internet]. 2018 Sep. 9 [cited 2026 Mar. 18];15(2(30):128-32. Available from: https://phtj.buketov.edu.kz/EPTJ/article/view/531