Sukenda.. and WakabayashiH., “USE OF AN INDIRECT ENZYME-LINKED IMMUNOSORBENT ASSAY (ELISA) TO DETECT ANTIBODIES IN AYU (Plecogiossus altivelis) VACCINATED BY IMMERSION ADMINISTRATION”, Jurnal Akuakultur Indonesia, vol. 1, no. 1, pp. 39-45, May 2007.