@article{
  author = {Asfew, Zerihun, Dekebo, Aman},
  title = {Determination of caffeine content in Wollega Zones, Ethiopian coffee bean, pulp and leaves by high performance liquid chromatography},
  journal = {Trends in Phytochemical Research},
  year = {2019},
  volume = {3},
  number = {4},
  pages = {261-274},
  doi = {}
}