Odilova Mohigul Shukurillo qizi. 2022. “TUPROQ VA UNING TARKIBI , SHO’RLANGAN TUPROQLARNING MELIORATIV HOLATI VA UNI YAXSHILASHNING ILMIY ASOSLARI”. Journal of New Century Innovations 14 (1):57-67. https://newjournal.org/new/article/view/418.