Nanta K, Boonkerd T. The Effectiveness of Health Education D-METHOD Program on Knowledge and Stress of Preterm Labor Pregnancy. PBRI Res Innov Evi Health [internet]. 2023 Apr. 27 [cited 2026 Feb. 21];1(2):29-42. available from: https://he03.tci-thaijo.org/index.php/PBRI/article/view/841