Borisovna Bystrai, E., Alexandrovich Artemenko, B., Dmitrievna Kirienko, S., Nikolaevna Evtushenko, I. y Sergeevna Mikerina, A. 2019. Subjective Activity of Preschoolers as the Main Objective of the “Child-Teacher-Parents” Triad. Opción. 35, 89 (jul. 2019), 883-898.