Khomsan Khaunmeung และ Orapin Chienthavorn. (2014) Monolithic solid-phase extraction coupled with HPLC-TOF-MS for determination of tetracycline from waste water. Kasetsart University:ม.ป.ท.Khomsan Khaunmeung และ Orapin Chienthavorn. 2014. Monolithic solid-phase extraction coupled with HPLC-TOF-MS for determination of tetracycline from waste water. ม.ป.ท.:Kasetsart University;Khomsan Khaunmeung และ Orapin Chienthavorn. Monolithic solid-phase extraction coupled with HPLC-TOF-MS for determination of tetracycline from waste water. ม.ป.ท.:Kasetsart University, 2014. Print.