Usnee Toophorm. 2002. Effect of particle size and silicon to aluminium ratio on the hydrothermal stability of polycrystalline zeolite beta. Field of Study Chemical Engineering, Chulalongkorn University;

Usnee Toophorm. Effect of particle size and silicon to aluminium ratio on the hydrothermal stability of polycrystalline zeolite beta. . Bangkok:Chulalongkorn University, 2002.

Usnee Toophorm. (2002) Effect of particle size and silicon to aluminium ratio on the hydrothermal stability of polycrystalline zeolite beta . Chulalongkorn University/Bangkok.