Items where Author is "Johannes Alfa, Situmorang"
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Johannes Alfa, Situmorang (2025) TEKNIS BUDIDAYA DAN MANAJEMEN PENGELOLAAN TANAMAN KELAPA SAWIT (ELAEIS GUINEENSIS JACQ) DI KEBUN SEI MERAH PT. PP. LONDON SUMATRA. Diploma thesis, Politeknik LPP Yogyakarta.