Hendri, J., B. Sumawinata, and D. P. T. Baskoro. “CO2 Flux from Tropical Land Uses on Andisol in West Java, Indonesia”. JOURNAL OF TROPICAL SOILS, vol. 19, no. 3, Aug. 2015, pp. 121-30, doi:10.5400/jts.2014.v19i3.121-130.