Pencirian Mananase Streptomyces costaricanus 45-3 (Anja Meryandini, Dwi Ambarawati, Nisa Rachmania) JIPI Volume 13, No.1, 2008 Pencirian Mananase Streptomyces costaricanus 45-3 (Anja Meryandini, Dwi Ambarawati, Nisa Rachmania) 03/03/2011 b