Ilman Huda, Muhammad, 		Sudarmadji, S., AND 		Fajariyah, Susantin.
" Keanekaragaman Jenis Echinoidea di Zona Intertidal Pantai Jeding Taman Nasional Baluran" <em>BERKALA SAINSTEK</em> [Online], Volume 5 Number 2 (13 October 2017)