Widyawati, Nugraheni, et al. “Permeabilitas Dan Perkecambahan Benih Aren (Arenga Pinnata (Wurmb.) Merr.)”. Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy), vol. 37, no. 2, Sept. 2009, https://doi.org/10.24831/jai.v37i2.1408.