Rukmana, R. (1999). Budi Daya Cacing Tanah/ Rahmat Rukmana. Yogyakarta : Kanisius.
Chicago Style (17th ed.) CitationRukmana, Rahmat. Budi Daya Cacing Tanah/ Rahmat Rukmana. Yogyakarta : Kanisius, 1999.
MLA (8th ed.) CitationRukmana, Rahmat. Budi Daya Cacing Tanah/ Rahmat Rukmana. Yogyakarta : Kanisius, 1999.
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