Sensory evaluation of the off-flavors in EM-treated catfish (ictalurus punctatus)and EMT treated tilapia (Oreochromis niloticus)aquaculture / by Muhamad Hasrul Erwan Nyak Hussain, author, Mohd. Ihsanuddin Ahmad@ Abdullah, author, Salehuddin Hamdan, supervisor, author, Shamsir Omar, author, Azmi Rani, author, Regional Annual Fundamental Science Seminar(2008: Johor)