AlFazali, M. F., Hanafi, Y. and Ma’rifah, D. R. (2021) “Literature study: Diversity level of coastal echinoidea as a source of biology learning materials for biodiversity”, Edubiotik : Jurnal Pendidikan, Biologi dan Terapan. Yogyakarta, Indonesia, 6(02), pp. 99–107. doi: 10.33503/ebio.v6i02.1956.