Temirovna OL, Choriyevna RL, Choriyevna RL. Mental Arithmetic is a Non-Traditional way to Teach Preschoolers Verbal Arithmetic. Int. Journ. Cult. Modern [Internet]. 2021 Dec. 14 [cited 2024 Dec. 4];11:205-8. Available from: https://ijcm.academicjournal.io/index.php/ijcm/article/view/133