TY - GEN AU - Coomaraswami , uma AU - Kulatunga , Sita AU - Udugama , Chandi TI - Principles of microbiology: culture techniques SN - 9552305705 U1 - 579 PY - 1997/// CY - Nugegoda PB - Open unversity of Sri Lanka KW - MICROOGANISMS KW - MICROBIOLOGY KW - BIOLOGY ER -