Src1
Kandil, M. A. M. H., Salah, A., Omer, E. S. E., El-Gala, M., Sator, C., & Schnug, E. (2002). Fruit and essential oil yield of fennel (Foeniculum vulgare Mill.) grown with fertilizer sources for organic farming in Egypt. Landbauforschung Volkenrode, 52(3), 135-139.