G’aybullayev G'. S., Hazratqulov M., and Abdurashidova M.F. “XO’RAKI KO’K NO’XAT NAV VA NA’MUNALARIDAN ENG YAXSHI BOSHLANG’ICH MATERIALNI SAMARQAND VILOYATI SHAROITIDA TANLASH”. Journal of new century innovations 10, no. 4 (December 1, 2022): 70–74. Accessed December 5, 2025. https://newjournal.org/new/article/view/1176.