Doan, T. H., B. H. Nguyen, T. H. Bui, and T. Q. Nghiem. “Knowledge of Mother about Asthma in Pediatric Department Thai Nguyen National Hospital 2018”. Journal of Nursing Science, vol. 1, no. 4, Oct. 2018, pp. 26-33, https://www.jns.vn/index.php/journal/article/view/117.