Sumardi, Sumardi and Antonius, suwanto and Maggy, Thenawidjaja and Tresnawati, Purwadaria (2005) ISOLATION AND CHARACTERIZATION OF MANNANOLYTIC THERMOPHILIC BACTERIA FROM PALM OIL SHELL AND THEIR MANNANASE ENZYME PRODUCTION PROPERTIES. Biotropia (25). pp. 1-10. ISSN 0215-6331