Soraya Saenmanot และ Padet Siriyasatien. (2016) Insecticidal activity of Thai botanical extracts against German cockroach, Blattella germanica (l.) (Orthoptera : Blattellidae). Chulalongkorn University:ม.ป.ท.Soraya Saenmanot และ Padet Siriyasatien. 2016. Insecticidal activity of Thai botanical extracts against German cockroach, Blattella germanica (l.) (Orthoptera : Blattellidae). ม.ป.ท.:Chulalongkorn University;Soraya Saenmanot และ Padet Siriyasatien. Insecticidal activity of Thai botanical extracts against German cockroach, Blattella germanica (l.) (Orthoptera : Blattellidae). ม.ป.ท.:Chulalongkorn University, 2016. Print.