Loading book image Tuproq qoplamasi strukturasining meliorativ holatini tadqiq qilishda relef plastikasi usulining roli Sh.I. Ibroimov, M.J. Boltayev
Loading book image Yer usti suv oqimining tabiiy-meliorativ sharoitga ta'sirini o'rganishda relyfni ideallashtirishning roli
