[1]
Григорьева, М. 2020. ANALYSIS OF THE INFLUENCE OF MENTAL ARITHMETICS ON THE DEVELOPMENT OF THE INTEGRATED PERSONALITY OF PRIMARY SCHOOL PUPILS. SWorldJournal. 7, 06-07 (Dec. 2020), 87–96. DOI:https://doi.org/10.30888/2663-5712.2020-06-07-142.