**Олжас Бектенов** · 2026-04-29

Qaz.Vision карточкасы: https://qaz.vision/tezis/3882?lang=kk
Бастапқы дереккөз: https://primeminister.kz/news/olzas-bektenov-air-products-bassylygymen-gaz-ximiiasy-zane-onerkasip-texnologiialary-salasyndagy-yntymaktastykty-talkylady-31335