Sukristiyonubowo, ., Sipahutar, I. A. and Achmad, I. (2009) “The effect of NPK Compound (6:16:7) on Chemical Soil Properties of Thapic Epiaquands and Cucumber Yield”, JOURNAL OF TROPICAL SOILS, 14(3), pp. 229–238. doi: 10.5400/jts.2009.v14i3.229-238.