Suryono, S., Suwarto, S. and Farohi, I. (2019) “Utilization of Rice Husk ash and Bamboo Leaf for Increasing Si for Rice Production on Paddy Soil”, JOURNAL OF TROPICAL SOILS, 24(2), pp. 65–71. doi: 10.5400/jts.2019.v24i2.65-71.