Sudarwanto. (1999). Operasi dan perawatan ketel uap Pc. GKBI Medari Sleman. STTNAS.
Chicago Style (17th ed.) CitationSudarwanto. Operasi Dan Perawatan Ketel Uap Pc. GKBI Medari Sleman. STTNAS, 1999.
MLA (8th ed.) CitationSudarwanto. Operasi Dan Perawatan Ketel Uap Pc. GKBI Medari Sleman. STTNAS, 1999.
Warning: These citations may not always be 100% accurate.