Qilichova, Marhabo. 2021. “MAKTABGACHA TA’LIMDA ELEMENTAR MATEMATIK TUSHUNCHALARNI RIVOJLANTIRISH MUAMMOLARI”. Maktabgacha taʼlim Jurnali 4 (Preschool education journal). https://journal.jdpu.uz/index.php/presedu/article/view/4357.