Maisook, Prapa, Tamara Sumalrote, and Kaewta Nopmaneejumruslers. 2019. “A pilot study of DIR/Floortime developmental intervention program in children with developmental delay”. Vajira Nursing Journal 21 (2):1-11. https://he02.tci-thaijo.org/index.php/vnj/article/view/179463.