Naorat Phingchin. 1996. Factors influencing the dispersion of pigments in polystyrene upon using a continuous twin-screw kneader. Bangkok:Chulalongkorn University;
Naorat Phingchin. (1996) Factors influencing the dispersion of pigments in polystyrene upon using a continuous twin-screw kneader (รายงานผลงานวิจัย). Chulalongkorn University:Bangkok.
Naorat Phingchin. Factors influencing the dispersion of pigments in polystyrene upon using a continuous twin-screw kneader. Bangkok:Chulalongkorn University, 1996.
Naorat Phingchin. (1996) Factors influencing the dispersion of pigments in polystyrene upon using a continuous twin-screw kneader (รายงานผลงานวิจัย). Chulalongkorn University:Bangkok.