Sudirman, Umar, and Sulha Pangaribuan. 2017. “EVALUASI PENGGUNAAN MESIN TANAM BIBIT PADI (RICE TRANSPLANTER) SISTEM JAJAR LEGOWO DI LAHAN PASANG SURUT”. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) 6 (2). https://jurnal.fp.unila.ac.id/index.php/JTP/article/view/1708.