Sattamat Lappharat และ Wattasit Siriwong. (2012) Human health risk assessment related to dermal exposure of chlorpyrifos in rice-growing farmers at Nakhon Nayok Province, Thailand. Chulalongkorn University:ม.ป.ท.Sattamat Lappharat และ Wattasit Siriwong. 2012. Human health risk assessment related to dermal exposure of chlorpyrifos in rice-growing farmers at Nakhon Nayok Province, Thailand. ม.ป.ท.:Chulalongkorn University;Sattamat Lappharat และ Wattasit Siriwong. Human health risk assessment related to dermal exposure of chlorpyrifos in rice-growing farmers at Nakhon Nayok Province, Thailand. ม.ป.ท.:Chulalongkorn University, 2012. Print.