Mahfud, M., Sudarmadji, S., & Subchan, W. (2017). Effect of Environmental Factors on The Relative Fitness and Spatial Distribution of Mangrove Crabs (Scylla spp) in Blok Bedul Segoro Anak, Alas Purwo National Park, Indonesia. Jurnal ILMU DASAR, 18(2), 65-72. doi:10.19184/jid.v18i2.3909