Nonglak Pinitniyom. 1996. Characterization of coke on dehydrogenation catalysts. Bangkok:Chulalongkorn University;
Nonglak Pinitniyom. (1996) Characterization of coke on dehydrogenation catalysts (รายงานผลงานวิจัย). Chulalongkorn University:Bangkok.
Nonglak Pinitniyom. Characterization of coke on dehydrogenation catalysts. Bangkok:Chulalongkorn University, 1996.
Nonglak Pinitniyom. (1996) Characterization of coke on dehydrogenation catalysts (รายงานผลงานวิจัย). Chulalongkorn University:Bangkok.