1. Avezov, R.R., Avezova, N.R., and Rakhimov, E.Yu., The thermal model of a flat-plate solar water-heating collector, Al’tern. Energet. Ekol., 2018, vol. 23, no. 24, pp. 12–20.
2. Duffie, J.A. and Beckman, W.A., Solar Engineering of Thermal Processes, New Jersey: Wiley, 2013, p. 888.
3. Avezov, R.R., Avezova, N.R., Ruziev, O.S., et al., Longevity characteristics of flat solar water-heating collectors in hot water supply systems. Part 1. Procedure for calculating collector heating efficiency, Appl. Sol. Energy, 2013, vol. 49, no. 1, pp. 7–15.
4. Avezova, N.R., Modeling the processes of thermal conversion of solar energy in flat collectors and optimizing their main parameters for use in hot water systems, Extended Abstract of Doctoral (Tech. Sci.) Dissertation, Tashkent: 2018.
5. Weiss, W. and Spörk-Dür, M. Solar Heat Worldwide: Global Market Development and Trends in 2018, Detailed Market Figures 2017, 2019 ed. https://www. iea-shc.org/Data/Sites/1/publications/Solar-Heat-Worldwide-2019.pdf. Available June, 2019.