“HEAVY METALS IN THE SOIL COVER OF WALNUT-FRUIT FORESTS IN SOUTHERN KYRGYZSTAN BY ZONES” (2022) PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE KYRGYZ REPUBLIC, (1), pp. 6–9. Available at: https://ilim.uia.gov.kg/index.php/main/article/view/33 (Accessed: 19 September 2026).