Abdumoʻminov Muzaffar Erkin oʻgʻli. “KPI SHAXSIY BAHOLASHNING ZAMONAVIY TIZIMI”. Journal of new century innovations 23, no. 2 (February 20, 2023): 71–74. Accessed November 29, 2024. https://newjournal.org/new/article/view/3758.