Items where Author is "Jonathan, Gilbert Manullang"
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Thesis
Jonathan, Gilbert Manullang (2025) TEKNIS BUDIDAYA DAN MANAJEMEN PENGELOLAAN TANAMAN KELAPA SAWIT (Elaeis guineensis Jacq) DI KEBUN Bukit Maradja Estate PT. Eastern Sumatra Indonesia. Diploma thesis, Politeknik LPP Yogyakarta.