@book { ExtractionofArtemisininfromArtemisiaAnnua,
    title = "Extraction of Artemisinin from Artemisia Annua",
    author = "Seid  {Yimer}",
    year = "2013",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656361664",
    url = "https://www.hausarbeiten.de/document/208617"
}