Update Adabiyotlar Internet: 80

1. https://kitob.sies.uz/frontend/web/kitob/kitob_006007fdf3a2efe.pdf

2. https://ru.scribd.com/document/850113699/

3. https:// namdu.uz/media/Books/pdf/2024/10/14/NamDU-ARM-13427-Iqtisodiyotda_axborot-kommunikasiya_texnologiyalari_97TWqk5.pdf