W. Winarna, M. A. Yusuf, S. Rahutomo, and E. S. Sutarta, “IMPACTS OF WATER TABLE AND SOIL AMELIORANT ON SOIL MOISTURE, CO2 EMISSION, AND OIL PALM YIELD ON PEAT SOIL”, J. Penelitian Kelapa Sawit, vol. 25, no. 3, pp. 147-160, Dec. 2017.