Lola A. Nizamova, Romen A. Zakhidov, and Saodat R. Axmatova. “Optimization of Mini-CHP under Variable Operating Conditions”. PROBLEMS OF ENERGY AND SOURCES SAVING 4, no. 4 (December 31, 2024): 141–147. Accessed February 7, 2025. https://energy.i-edu.uz/index.php/journal/article/view/116.