3 1 10 Identification of marine leech and assessment of its prevalence and intensity on cultured hybrid groupers ( Epinephelus sp.) MURWANTOKO Primary Author ZAFRAN Primary Author CONDRO NEGORO, S L Primary Author ISNANSETYO ALIM Primary Author mixed material 1412033X Surakarta the society for idonesian biodiversty 2018 SZAFRAN, Zvi Primary Author mixed material 0471619965 New York John Wiley & Sons 1991 ZAFRAN Additional Author ROSA, Des Additional Author SUGAMA, Ketut [ed.] Additional Author mixed material 979818663X [s.l.] The Agency for Marine and Fisheries Research Budge 2005