Mahammadjonov Sodirjon Nurmuhammad o`g`li, Xabibullayev Diyorbek Sherzodjon o`g`li, and Isaqov Husanboy Zokirjon o`g`li, “DUNYODAGI DEMOGRAFIK MUAMMOLAR ”, JNCI, vol. 22, no. 3, pp. 14–15, Feb. 2023.