Cosge, B., B. Gurbuz, B. Gurbuz, and A. Ipek. “GC-MS ANALYSIS OF THE ESSENTIAL OIL FROM THE SEED OF SWEET FENNEL (FOENICULUM VULGARE MILL. VAR. DULCE) GROWN IN TURKEY”. African Journal of Traditional, Complementary and Alternative Medicines, vol. 6, May 2009, p. 370, https://journals.athmsi.org/index.php/ajtcam/article/view/735.