Xursanova Zilola Mirzaxolmatovna, Fozilov Jakhongir Ibrohimjon o'g'li and Davidova Ekaterina Pavlovna 2021. LOGICAL TASKS FOR PRIMARY SCHOOL STUDENTS. International Engineering Journal For Research & Development. 6, 2 (Jun. 2021), 4. DOI:https://doi.org/10.17605/OSF.IO/FDXEU.