PYKHTIN, Alexey Ivanovich. PROBLEMS OF RATIONAL USE AND PROTECTION OF GROUNDWATER WITHIN THE RUSSIAN FEDERATION. Journal of Applied Engineering Science, [S. l.], v. 17, n. 3, 2019. DOI: 10.5937/jaes17-22883. Dostupno na: https://asistent.ceon.rs/index.php/jaes/article/view/22883. Pristupljeno: 12 jul. 2026.