Sewika Chongpiyawarang. 1999. Marker dye from cashew nut shell extract and chloronitroanilines. Field of Study Petrochemistry and Polymer Science, Chulalongkorn University;
Sewika Chongpiyawarang. (1999) Marker dye from cashew nut shell extract and chloronitroanilines . Chulalongkorn University/Bangkok.
Sewika Chongpiyawarang. Marker dye from cashew nut shell extract and chloronitroanilines. . Bangkok:Chulalongkorn University, 1999.
Sewika Chongpiyawarang. (1999) Marker dye from cashew nut shell extract and chloronitroanilines . Chulalongkorn University/Bangkok.