Biodiversitas, vol: 18,3 (2017) The abundance of prospective natural food for sea cucumber holothuria atra at karimunjawa island waters, Jepara, Indonesia Hartati R., Widianingsih, Trianto

IOP Conference Series: Earth and Environmental Science, vol: 55,1 (2017) Habitat characteristic of two selected locations for sea cucumber ranching purposes Hartati R., Trianto A.,