ГРИГОРЬЕВА, М. ANALYSIS OF THE INFLUENCE OF MENTAL ARITHMETICS ON THE DEVELOPMENT OF THE INTEGRATED PERSONALITY OF PRIMARY SCHOOL PUPILS. SWorldJournal, [S. l.], v. 7, n. 06-07, p. 87–96, 2020. DOI: 10.30888/2663-5712.2020-06-07-142. Disponível em: https://sworldjournal.com/index.php/swj/article/view/swj06-07-142. Acesso em: 21 nov. 2024.