Thi Minh Thanh , T.; Thi Phong, C. DEVELOPING SOCIAL COMMUNICATION SKILLS IN CHILDREN WITH AUTISM SPECTRUM DISORDER AGED 3–4 YEARS THROUGH NON-DIRECTIVE PLAY THERAPY. HNUE Journal of Science: Educational Science 2026, 71 (2), 92-100. https://doi.org/10.18173/2354-1075.2026-0028.