Ismoilov, B.T. 2020. “KONSTRUKTIV MASALALAR YECHISH VOSITASIDA BO’LAJAK BOSHLANG’ICH SINF O’QITUVCHILARINING MATEMATIK KOMPETENTLIGINI RIVOJLANTIRISH”. ILIM Hám JÁMIYET, no. 4-2 (October): 63-65. https://journal.ndpi.uz/ss/article/view/2020-4-2-033.