Mahitti Puanngam และ Fuangfa Unob. (2010) Method development for preconcentration and determination of mercury in water and air. Chulalongkorn University:ม.ป.ท.Mahitti Puanngam และ Fuangfa Unob. 2010. Method development for preconcentration and determination of mercury in water and air. ม.ป.ท.:Chulalongkorn University;Mahitti Puanngam และ Fuangfa Unob. Method development for preconcentration and determination of mercury in water and air. ม.ป.ท.:Chulalongkorn University, 2010. Print.