Keawpiam, Amornrat, Pimpaporn Klunklin, and Acharaporn Sripusanapan. “Relationships Among Knowledge, Self-efficacy, and Maternal Practice for Promoting Language Development of Toddlers”. Nursing Journal CMU 50, no. 1 (April 1, 2023): 343–354. accessed September 11, 2026. https://he02.tci-thaijo.org/index.php/cmunursing/article/view/262174.