Patidinov Asliddin, and Soliyev Axrorbek Farxodbek oʻgʻli. “SILINDR-PORSHEN GURUHI ELEMENTLARINING TAVSIFI VA DVIGATELNING EFFEKTIV KO’RSATKICHLARI”. Scientific Impulse, vol. 1, no. 11, July 2023, pp. 605-11, http://nauchniyimpuls.ru/index.php/ni/article/view/10929.