Isolation and study of cyanobacterial cultures from oil refinery wastewaters Madina Kazim, Aliyam Dauletova, Sandugash Sandybayeva, Zhanat Bukharbayeva and Bolatkhan Zayadan BIO Web Conf., 100 (2024) 02019 Published online: 08 April 2024 DOI: 10.1051/bioconf/202410002019