Pradnya Ravindra Narvekar, and ,S.N.Patil. “Grape Leaf Disease Detection, Classification and Analysis by Using Spatial Graylevel Dependence Matrices”. International Journal of Advance Engineering and Research Development (IJAERD), vol. 1, no. 9, Sept. 2014, pp. 52-57, https://ijaerd.org/index.php/IJAERD/article/view/244.