Noppasase Wansumrith. 1999. Comparison between drop plate and pour plate methods for enumeration of total bacteria in potable water. Faculty of Graduate Studies, Mahidol University;
Noppasase Wansumrith. (1999) Comparison between drop plate and pour plate methods for enumeration of total bacteria in potable water . Mahidol University/Bangkok.
Noppasase Wansumrith. Comparison between drop plate and pour plate methods for enumeration of total bacteria in potable water. . Bangkok:Mahidol University, 1999.
Noppasase Wansumrith. (1999) Comparison between drop plate and pour plate methods for enumeration of total bacteria in potable water . Mahidol University/Bangkok.