V V Apparao, S. K. M. B. B. V. “Influence of Nitrogen, Azospirillum Sp. And Farmyard Manure on Growth, Yield and Inci- Dence of Stem Gall Disease in Coriander (Coriandrum Sativum L.)”. Journal of Spices and Aromatic Crops, vol. 15, no. 2, Dec. 2006, pp. 115-7, https://updatepublishing.com/journal/index.php/josac/article/view/4852.