Scaria, K. J. Economics of animal by-products utilization / by K.J. Scaria. - Rome : Food and Agriculture Organization of the United Nations, c1989. - FAO agricultural services bulletin ; 77 . Includes bibliographical references. ISBN: 9251026955 Subjects--Topical Terms: Animal waste -- Recycling.--Animal waste -- Recycling.Animal waste -- Economic aspects.--Animal waste -- Economic aspects.