Tungjitpimol, Woravalun. 2019. “Survey on Consumer Perceptions to Repellent Efficiency of Mosquito Repellent Citronella Oil for Children Based on Label Information”. Thai Food and Drug Journal 26 (1). Nonthaburi, Thailand:36-47. https://he01.tci-thaijo.org/index.php/fdajournal/article/view/176169.