I, P. H. (2011). PENCEMARAN LINGKUNGAN. MAN YOGYAKARTA III.
Chicago Style (17th ed.) CitationI, PRASTOWO HARRY. PENCEMARAN LINGKUNGAN. MAN YOGYAKARTA III, 2011.
MLA (8th ed.) CitationI, PRASTOWO HARRY. PENCEMARAN LINGKUNGAN. MAN YOGYAKARTA III, 2011.
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