Abdullayeva Б., Eralieva А., Amanzholov Т., Tungatarova М. ., and Aizhulov Д. “SENSITIVITY ANALYSIS AND IMPACT ASSESSMENT OF DESIGN AND OPERATING PARAMETERS ON THE EFFICIENCY OF A FLAT-PLATE SOLAR COLLECTOR IN BTES SYSTEMS”. Bulletin of Abai KazNPU. Series of Physical and Mathematical Sciences, vol. 95, no. 3, Sept. 2026, pp. 7-17, doi:10.51889/2959-5894.2026.95.3.001.