พัฒนาพิศาลศักดิ์ ช. (2023) “ The Study of Maternal Death Problems in the Three Southern Border Provinces, Thailand, 2018- 2023”, Journal of Health Science of Thailand, 32(6), pp. 1025–1034. Available at: https://thaidj.org/index.php/JHS/article/view/14901 (Accessed: 22July2024).