Klincha-em, Pimchanok, Ameporn Ratinthorn, Nanthana Thananowan, and Sasitara Nuampa. “The Effects of Attitude and Perceived Behavioral Control Program towards the Intention of Vaginal Delivery for Primigravida Women”. Nursing Science Journal of Thailand 42, no. 4 (December 27, 2024): 82–95. accessed April 6, 2025. https://he02.tci-thaijo.org/index.php/ns/article/view/270875.