Sulnawati, Endang, Sirajuddin H. Abdullah, and Asih Priyati. 2016. “Analisis Teknis Dan Kajian Ergonomika Berdasarkan Antropometri Pada Penggunaan Traktor Tangan Untuk Lahan Sawah: Anthropometry Based Technical Analysis and Ergonomic Studies on Utilization of Hand Tractor for Farm Field”. Jurnal Ilmiah Rekayasa Pertanian Dan Biosistem 4 (2):239-47. https://jrpb.unram.ac.id/index.php/jrpb/article/view/29.