Widayati. (1993). Elektrolisis cairan bekas pencuci film. UPN "Veteran" Yogyakarta.
Chicago Style (17th ed.) CitationWidayati. Elektrolisis Cairan Bekas Pencuci Film. UPN "Veteran" Yogyakarta, 1993.
MLA (8th ed.) CitationWidayati. Elektrolisis Cairan Bekas Pencuci Film. UPN "Veteran" Yogyakarta, 1993.
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