G’aybullayev G'. S., Hazratqulov M. and Abdurashidova M.F. 2022. 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, 4 (Dec. 2022), 70–74.