na INLIS000000000010328 20240227025312 0010-0521010328 240227 | | id 636(063)/SEM/p79(1) 636(063)/SEM/p79(1) P. Sitorus [et.al.] Proceedings seminar penelitian dan pengembangan peternakan... / P. Sitorus [et.al.] Jilid 1 Bogor : Lembaga Penelitian Peternakan, 1979 xii, 381 p.: ill; 23 cm.