Hepher, Balfour . Commercial fish farming: with special reference to fish culture in Israel / by Balfour Hepher and Yoel Pruginin. - New York : John Wiley & Sons, Inc. , 1981 - 261p ; ISBN: 0-471-06264-2 Subjects--Topical Terms: Tilapia Dewey Class. No.: KZ332:2.4653 / M1