Matematikada o‘tkaziladigan sinfdan tashqari viktorina, matematik ertalik va matematik musobaqalarni tashkil etish. MMT [Internet]. 2025 May 14 [cited 2025 Jun. 21];3(5). Available from: https://www.maktabgacha-va-maktab-talimi-jurnal.uz/index.php/jurnal/article/view/1003