Zhukeshov, A. M., Gabdullina, A. T., Amrenova, A. U., Sagymbaeva, M. and Berdalin, A. (2017) “The study of the heat power effectiveness of a parabolic solar concentrator”, International Journal of Mathematics and Physics, 8(2), pp. 61–66. doi: 10.26577/ijmph.2017.v8.i2.10.