Siriparn Sahairaksa. 1999. Comparison of emulsion oil removal efficiency in gas station wastewater with different adsorbents. Faculty of Graduate Studies, Mahidol University;
Siriparn Sahairaksa. (1999) Comparison of emulsion oil removal efficiency in gas station wastewater with different adsorbents . Mahidol University/Bangkok.
Siriparn Sahairaksa. Comparison of emulsion oil removal efficiency in gas station wastewater with different adsorbents. . Bangkok:Mahidol University, 1999.
Siriparn Sahairaksa. (1999) Comparison of emulsion oil removal efficiency in gas station wastewater with different adsorbents . Mahidol University/Bangkok.