Soonwera, M. “Toxicity of five herbal extracts against head louse (Pediculus humanus capitis De Geer.: Phthiraptera) in vitro”. International Journal of Agricultural Technology, vol. 12, no. 4, July 2016, pp. 657-66, https://li04.tci-thaijo.org/index.php/IJAT/article/view/6652.