Boboqandov, Nodirjon. “BOQILISH GRADIENTI TASIRIDA O’SIMLIKLAR YER USTKI BIOMASSASINING O’ZGARISHI (JANUBIY G’ARBIY QIZILQUM MISOLIDA)”. Theoretical Aspects in the Formation of Pedagogical Sciences, vol. 2, no. 5, Feb. 2023, pp. 11-14, https://doi.org/10.5281/zenodo.7628655.