M. Ekayev (2026) “PRODUCTION TECHNOLOGY OF NANOSTRUCTURED CLAY–BIOCHAR COMPOSITES FOR SUSTAINABLE SOIL ENHANCEMENT”, ОБРАЗОВАНИЕ И НАУКА В XXI ВЕКЕ [Preprint], (70-2 (том 2). Available at: https://mpcareer-google.ru/index.php/journal/article/view/4735 (Accessed: 28 October 2026).