Irisali Khidirov, Sayfiddin Rakhmanov, Sherzod Makhmudov and Muslim Fazilov 2020. About Debye Temperature In Crystals At T = 0 K. The American Journal of Interdisciplinary Innovations and Research. 2, 08 (Aug. 2020), 88–96. DOI:https://doi.org/10.37547/tajiir/Volume02Issue08-12.