“TUPROQ SURGICHNI KOMBINATSIYALASHGAN MASHINA TEKISLAGICHIDAGI OCHILISH BURCHAGINI UNING ISH KO‘RSATKICHLARIGA TA’SIRI ”. 2023. INTERNATIONAL JOURNAL OF RECENTLY SCIENTIFIC RESEARCHER’S THEORY 1 (3): 149-52. https://uzresearchers.com/index.php/ijrs/article/view/575.