TY JOUR TI Origami as a Means of Geometric Modeling: Environmental Approach to Self-Organization in Young Childhood KW synergetic approach KW post-non-classical educational KW mathematical education KW child's self-development KW creative abilities of children KW young children JO Bulletin of Kemerovo State University. Series: Humanities and Social Sciences AU Sokolova, G.A. PY 2021 IS 5 PB Kemerovo State University