00422nam a2200181Ia 450000500170000000800410001702000180005804100080007608200120008410000150009624500200011125000060013126400310013730000260016865000060019465500140020070000260021420260922095417.0260922s9999    xx            000 0 und d  a979-497-823-x  aind  a665.7761 aWIDARTO, L10aMembuat Biogas   a0  aYogyakartabKanisiusc1997  a44 hlm.bilus.c19 cm 4a0  aGrade 7-91 aFx. Sudarto Ceauthor