Halimov Sherali Anvar o‘g‘li. “YOSHLIK – 1” KONI PORFIRLI MIS MA’DANLARINI FLOTATSIYA USULIDA BOYITISHNING SAMARADORLIGINI OSHIRISH. . tadqiqot. 2025;62(5):23-27. Accessed August 15, 2025. https://scientific-jl.com/tad/article/view/15094