คงรอด สุวัลญา, and ไชยฤทธิ์ ชะปา. 2020. “Effectiveness of an Education Program on Knowledge, Attitude and Practice of Pregnant Women With Premature Labour”. Journal of Health Science of Thailand 29 (6):1055-61. https://thaidj.org/index.php/JHS/article/view/9622.