ยรรยงค์ ธ. ., and ยรรยงค์ น. . “Ampoule Breaking Equipment: Ampoule Safety Cutter”. Journal of Health Science of Thailand, vol. 34, no. Supplement 1, Sept. 2025, pp. S155 - S163, https://thaidj.org/index.php/JHS/article/view/14968.