PAYVANDLAB QOPLANGAN EKSKAVATOR CHOʻMICH TISHIDAN OLINGAN NAMUNALARINI YEYILISHGA CHIDAMLILIGINI ANIQLASH NATIJALARI. ilmiy. 2025;66(1):126-133. Accessed February 4, 2026. https://journal-web.uz/index.php/02/article/view/138