Books INTERNATIONAL TURKIC WORLD CONGRESS ON SCIENCE AND ENGINEERING-2019II. INTERNATIONAL TURKIC WORLD CONGRESS ON SCIENCE AND ENGINEERING-2020 III. INTERNATIONAL TURKIC WORLD CONGRESS ON SCIENCE AND ENGINEERING: BOOK OF ABSTRACTS-2021IV. INTERNATIONAL TURKIC WORLD CONGRESS ON SCIENCE AND ENGINEERING: BOOK OF ABSTRACTS-2022IV. INTERNATIONAL TURKIC WORLD CONGRESS ON SCIENCE AND ENGINEERING: BOOK OF PROCEEDINGS-2022