Yusupova Mamurakhon. (2026). BASIC REPRODUCTION NUMBER OF A VARICELLA SVEIR MODEL WITH IMPERFECT TWO-DOSE VACCINATION. NAZARIY VA AMALIY FANLARDAGI USTUVOR ISLOHOTLAR VA ZAMONAVIY TA’LIMNING INNOVATSION YO’NALISHLARI, 3(10), 53–55. Retrieved from https://innovativepublication.uz/index.php/NUZY/article/view/6306