Thanh Tuyen, D. 2024. STUDY ON THE FACTORS AFFECTING THE PRACTICE OF VOCABULARY DEVELOPMENT FOR LATE-TALKING CHILDREN AGED 18-24 MONTHS BY EARLY CHILDHOOD TEACHERS IN HANOI. Journal of Science Educational Science. 69, 2 (Apr. 2024), 95–108. DOI:https://doi.org/10.18173/2354-1075.2024-0027.