Muchtar, Muchtar, and Yoyo Soelaeman. 2018. “Effects of Green Manure and Clay on the Soil Characteristics, Growth and Yield of Peanut at the Coastal Sandy Soil”. JOURNAL OF TROPICAL SOILS 15 (2):139-46. https://doi.org/10.5400/jts.2010.v15i2.139-146.