Analuddin, K. et al. 2015. Spatial Pattern in Beta Diversity of Echinoidea and Asteroidea Communities from the Coastal Area of Tomia Island, Wakatobi Marine National Park, Southeast Sulawesi, Indonesia. BIOTROPIA. 22, 1 (Aug. 2015). DOI:https://doi.org/10.11598/btb.2015.22.1.355.