Thi Tham, T. and Thi Thu, H. 2025. MOTHER-CHILD ATTACHMENT IN THE FIRST YEAR: A RETROSPECTIVE STUDY. HNUE Journal of Science: Journal of Social Sciences. 71, 1 (Oct. 2025), 195–203. DOI:https://doi.org/10.18173/2354-1067.2026-0019.