G Lal, R Singh, A S Godara, U S Gupta,. “Influence of Organic and Inorganic Sources of Fertilizers on Growth, Yield and Economics of Fennel (Foeniculum Vulgare Mill.) Cultivation under Semi Arid Conditions”. Journal of Spices and Aromatic Crops 23, no. 2 (July 24, 2014): 200–204. Accessed April 29, 2024. https://updatepublishing.com/journal/index.php/josac/article/view/5067.