Studi aplikasi gasifikasi di industri gerabah pengaruh persentase campuran bahan bakar cangkang kelapa dan sekam padi terhadap kestabilan flame pada sistem gasifikasi downdraft = Gasification application study on pottery industry effect of fuel mixture percentage coconut shell and rice husk on flame stability in downdraft gasification system (Fakultas Teknik Universitas Indonesia, 2013)