Sirappa, M. P., E. D. Waas, and A. N. Susanto. “Land Suitability and Purposed Land Use of Selaru Island, West-Southeast Moluccas Regency”. JOURNAL OF TROPICAL SOILS, vol. 15, no. 2, Apr. 2018, pp. 169-78, doi:10.5400/jts.2010.v15i2.169-178.