SHOYIMOVA LOBAR SHAVKAT QIZI. MAKTAB MATEMATIKA DARSLARIDAGI KOMBINATORIKANING ASOSIY QOIDALARI MAVZUSINI O’TISHDA PINBOARD METODIDAN FOYDALANISH. Journal of new century innovations, [S. l.], v. 41, n. 1, p. 82–88, 2023. Disponível em: https://newjournal.org/new/article/view/9561. Acesso em: 18 feb. 2025.