@article{CTT100621001,
  author = {A.  Somwangthanaroj and C.  Phanthawonge and S. Ando and Wiwut Tanthapanichakoon},
  title = {Effect of the origin of ZnO nanoparticles dispersed in polyimide films on their photoluminescence and thermal stability},
  journal = {Journal of Applied Polymer Science},
  year = 2008,
}