Thawatchai Nuanthong. 2007. A design and construction of direct reading instrument for hydrogen sulfide determination in air. Faculty of Public Health, Mahidol University;
Thawatchai Nuanthong. (2007) A design and construction of direct reading instrument for hydrogen sulfide determination in air . Mahidol University/Bangkok.
Thawatchai Nuanthong. A design and construction of direct reading instrument for hydrogen sulfide determination in air. . Bangkok:Mahidol University, 2007.
Thawatchai Nuanthong. (2007) A design and construction of direct reading instrument for hydrogen sulfide determination in air . Mahidol University/Bangkok.