Jaka Suyana and  Komariah and  Masateru Senge,  Conservation Techniques for Soil Erosion Control in Tobacco-Based Farming System at Steep Land Areas of Progo Hulu Subwatershed, Central Java, Indonesia.   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2010, vol. 41(5). 287 - 294
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/7755.