Items where Author is "Sitompul, Ayub Saputra"

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Sitompul, Ayub Saputra (2024) Penghematan Biaya Variabel Pupuk Diterima Petani Berdasarkan Peraturan Menteri Pertanian di Desa Sei Bamban Kecamatan Sei Bamban Kabupaten Serdang Berdagai Provinsi Sumatera Utara. Other thesis, Universitas Katolik Santo Thomas.

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