duangsamran, Duangduean, Anchalee Chantapho, and Jirawan Sirisom. 2025. “The effects of educational media on nutritional self-care behaviors and hematocrit levels in pregnant women”. Journal of Medical and Public Health Region 4 15 (3). Saraburi,Thailand:52-63. https://he01.tci-thaijo.org/index.php/JMPH4/article/view/270187.