@article{pholnak_sirisathitkul_suwanboon_harding_2014,  title={Effects of precursor concentration and reaction time on sonochemically synthesized ZnO nanoparticles},  volume={17},  ISSN={1516-1439},  url={https://doi.org/10.1590/S1516-14392013005000192},  DOI={10.1590/S1516-14392013005000192},  number={2},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Pholnak, Chat and Sirisathitkul, Chitnarong and Suwanboon, Sumetha and Harding, David James},  year={2014},  month={Mar},  pages={405–411} }