Bachtier, F. W. (2021) “The Abundance and Distribution Pattern of Echinoderms in Intertidal Zone between Sadranan and Slili Beach, Gunung Kidul, Yogyakarta: Abundance and Distribution Pattern of Echinoderms in Intertidal Zone between Sadranan and Slili Beach, Gunung Kidul, Yogyakarta”, BiosciED: Journal of Biological Science and Education, 2(2), pp. 52–58. doi: 10.37304/bed.v2i2.2674.