PAYVANDLAB QOPLANGAN EKSKAVATOR CHOʻMICH TISHIDAN OLINGAN NAMUNALARINI YEYILISHGA CHIDAMLILIGINI ANIQLASH NATIJALARI. ilmiy. 2025;66(1):126-133. Accessed May 25, 2026. http://journal-web.uz/index.php/02/article/view/138