Nolapan Vudhivanich และ Attavit Pisitanusorn. (2013) Effect of zirconia addition on leucite crystallization in dental porcelain nanocomposites. Chiang Mai University:ม.ป.ท.Nolapan Vudhivanich และ Attavit Pisitanusorn. 2013. Effect of zirconia addition on leucite crystallization in dental porcelain nanocomposites. ม.ป.ท.:Chiang Mai University;Nolapan Vudhivanich และ Attavit Pisitanusorn. Effect of zirconia addition on leucite crystallization in dental porcelain nanocomposites. ม.ป.ท.:Chiang Mai University, 2013. Print.