Fayzullaev, A.R., S.Kh. Astanov, and N.M. Ergasheva. “APPLICATION OF SPECTROSCOPY IN THE PROCESS OF OBTAINING DYES FROM ONION PELL”. Eurasian Physical Technical Journal 15, no. 2(30) (September 9, 2018): 128–132. Accessed March 18, 2026. https://phtj.buketov.edu.kz/EPTJ/article/view/531.