RETRACTED: Propagation of Chlorella Vulgaris and Scenedesmus Obliquus in Dengizkul Lake and determination of protein content in themF. Q. Shodmonov, A. M. Kobilov and G. A. OkilovaE3S Web Conf., 420 (2023) 09012DOI: https://doi.org/10.1051/e3sconf/202342009012