Widyawati, N. et al. 2009. Permeabilitas dan Perkecambahan Benih Aren (Arenga pinnata (Wurmb.) Merr.). Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy). 37, 2 (Sep. 2009). DOI:https://doi.org/10.24831/jai.v37i2.1408.