Gita, Rina, Sudarmadji, Sudarmadji, AND Waluyo, Joko. " The Influence of Abiotic Factors on The Diversity and Abudance of Mangrove Crabs (Scylla spp.) in Blok Bedul Alas Purwo National Park Mangrove Forest" Jurnal ILMU DASAR [Online], Volume 16 Number 2 (22 November 2016)