LYSTOPAD, O. A.; MARDAROVA, I. K.; LYSTOPAD, N. L. ENVIRONMENTAL (ECOSYSTEM) METHODOLOGICAL APPROACH IN PREPARING FUTURE TEACHERS TO DEVELOP DIGITAL HYGIENE IN PRESCHOOL CHILDREN. Dnipro Academy of Continuing Education Herald. Series: Philosophy, Pedagogy, v. 1, n. 1, p. 111-117, 8 Apr. 2026.