Jumrus Limtrakul. 1993. The influences of the structural characteristics of substituted zeolites on catalytic properties. Bangkok:Kasetsart University;
Jumrus Limtrakul. (1993) The influences of the structural characteristics of substituted zeolites on catalytic properties (รายงานผลงานวิจัย). Kasetsart University:Bangkok.
Jumrus Limtrakul. The influences of the structural characteristics of substituted zeolites on catalytic properties. Bangkok:Kasetsart University, 1993.
Jumrus Limtrakul. (1993) The influences of the structural characteristics of substituted zeolites on catalytic properties (รายงานผลงานวิจัย). Kasetsart University:Bangkok.