Dwiratna, Sophia, Nurpilihan Bafdal, Chay Asdak, and Nono Carsono. 2018. “Study of Runoff Farming System to Improve Dryland Cropping Index in Indonesia”. International Journal on Advanced Science, Engineering and Information Technology 8 (2):390-96. https://doi.org/10.18517/ijaseit.8.2.3268.