na INLIS000000000036144 Ind 0010-0119001057 Effective microorganisms "EM": Antara promosi dan kenyataan SUWARDI Suwardi Bogor Institut Pertanian Bogor 4 p. ; 30 cm 4 p. ; 30 cm 631.86SUWe 631.86 MICROORGANISMS BIOFERTILIZERS 341/2003