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		Sugiana, I., 		Gunadnya, I., & 		Setiyo, Y.
2017 Jan 20.  Rancang Bangun Alat Penanam Dan Pemupuk Jagung (Zea mays) Tipe Tugal Semi Mekanis Yang Ergonomis. Jurnal BETA (Biosistem dan Teknik Pertanian). [Online] 5:1