Continuity in Education in The Implementation of The STEM Education for The Children of Preschool and Elementary School Age Modular ProgramSergey Averin, Natalia Murodhodjaeva, Marina Romanova, Yulia Serebrennikova and Andrey V. KoptelovSHS Web Conf., 79 (2020) 01002DOI: https://doi.org/10.1051/shsconf/20207901002