Pivsa-Art, Sommai, Chavalit Sangswasd, Weerasak Moocharoen, Kullanai Tritreungsakul, Yukinobu Murakami, Machiko Mizoguchi, and Hiroyuki Hamada. 2005. “Phenomena Study of Polymer Blend Between Polycarbonate and Polycarbonate Oligomers”. Journal of Engineering, RMUTT 5 (June):66-69. https://ph01.tci-thaijo.org/index.php/jermutt/article/view/242328.