Nguyễn , L. B. H., Giang , T. V., Mai , M. H., Trần , L., & Đỗ , T. T. (2021). GETTING CHILDREN READY FOR SCHOOL: FAMILIARIZATION WITH NUMERICAL SYMBOLS – AN IMPORTANT CONTENT IN MATHEMATICS EDUCATION. Ho Chi Minh City University of Education Journal of Science, 18(11), 2049. https://doi.org/10.54607/hcmue.js.18.11.3317(2021)