A. Berdiyeva and O. Meredova (2025) “TECHNOLOGY OF PRODUCING POLY TRACK MATTRESSES USING LOCAL RAW MATERIALS AND INDUSTRIAL WASTE”, ОБРАЗОВАНИЕ И НАУКА В XXI ВЕКЕ [Preprint], (61-1 (том 1). Available at: https://mpcareer-google.ru/index.php/journal/article/view/1648 (Accessed: 5 July 2026).