Watanee Heungraksa. 2000. The change in land-sea silicate fluxes through the Chao Phraya river. Field of Study Environmental Science, Chulalongkorn University;
Watanee Heungraksa. (2000) The change in land-sea silicate fluxes through the Chao Phraya river . Chulalongkorn University/Bangkok.
Watanee Heungraksa. The change in land-sea silicate fluxes through the Chao Phraya river. . Bangkok:Chulalongkorn University, 2000.
Watanee Heungraksa. (2000) The change in land-sea silicate fluxes through the Chao Phraya river . Chulalongkorn University/Bangkok.