Aliyeva D. X., and Kadirova G.X. “NOSTOC CALCICOLA SIANOBAKTERIYASINI O’STIRISH SHAROITINI O’RGANISH”. Journal of Integrated Education and Research, vol. 2, no. 3, Mar. 2023, pp. 21-22, https://ojs.rmasav.com/index.php/ojs/article/view/879.