Saputra, Y. D. (2003). Teknik Budi Daya Kakao. Yogyakarta: Trans Idea Publishing.
Chicago Style CitationSaputra, Yulianto D. Teknik Budi Daya Kakao. Yogyakarta: Trans Idea Publishing, 2003.
MLA CitationSaputra, Yulianto D. Teknik Budi Daya Kakao. Yogyakarta: Trans Idea Publishing, 2003.
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