Bachtier, F. W.; Khalallia, F. B. R.; Lesti, H. Y.; Rahmani, N. N.; Winasti, N. M. S.; Maharani, S. E.; Andilala, N.; Eprilurahman, R. 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. BEDJ 2021, 2, 52-58.