text Bogor Fak. MIPA-IPB 2001 In 36 p. : ill. 29 cm Yulvitrin ACTIVITY BACTERIA RUMEN VIABILITY 55 - INLIS000000000000622 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)