Trichaiyaporn, Sommai, Sophida Tangkhananon, Kanlayanee Niyomsa, Krongkaew Thawilprapa, and Nattagul Srisuk. 2018. “Determination of Physical and Thermal Properties of Herbal Compress Ball”. Journal of Engineering, RMUTT 16 (2):163-72. https://ph01.tci-thaijo.org/index.php/jermutt/article/view/241957.