Analisis konsekuensi dispersi gas, kebakaran, dan ledakan akibat kebocoran tabung propana, butana, pentana, heksana 6 kg di Kalianyar tahun 2012 dengan piranti lunak BREEZE = Consequence analysis gas dispersion, fire, and explosion 6 kg tank leaking of propane, butane, pentane, hexane at Kalianyar 2012 with BREEZE software