Irakli Nakhutsrishvili et al. 2024. The Maximums of Power Factor, Figure of Merit of alloy SixGe1-x and Some Other Thermoelectric (*)(**). Current Perspective to Physical Science Research Vol. 6. (Jan. 2024), 115–131. DOI:https://doi.org/10.9734/bpi/cppsr/v6/19916D.