Saijai Chirachotechuentaweechai. 1989. Spectrophotometric determination of mercury and cobalt. Graduate School, Kasetsart University;
Saijai Chirachotechuentaweechai. (1989) Spectrophotometric determination of mercury and cobalt . Kasetsart University/Bangkok.
Saijai Chirachotechuentaweechai. Spectrophotometric determination of mercury and cobalt. . Bangkok:Kasetsart University, 1989.
Saijai Chirachotechuentaweechai. (1989) Spectrophotometric determination of mercury and cobalt . Kasetsart University/Bangkok.