Yamika, Wiwin Sumiya Dwi, Ninuk Herlina, and Sherly Amriyanti. 2019. “The Effect of Biogas Slurry and Inorganic Fertilizer on Soil Fertility and Yield of Cucumber (Cucumis Sativus L.)”. Journal of Degraded and Mining Lands Management 6 (4). Malang, Indonesia:1829-35. https://doi.org/10.15243/jdmlm.2019.064.1829.