Agribisnis berbasis peternakan: kumpulan pemikiran / SARAGIH, Bungaran DABUKKE, Frans B.M. text Bogor : IPB Press, 1998 ind Bibl.: p. 193-197 Bibl.: p. 193-197 ANIMAL HUSBANDRY AGROINDUSTRIAL SECTOR URN:ISBN:979-9231-34-5