Darma, I Gede Agus Arya, et al. “Analysis of Hand Tractor Needs in Paddy Field Cultivation in Bangbang Village, Tembuku District, Bangli”. Jurnal BETA (Biosistem Dan Teknik Pertanian), vol. 12, no. 1, Apr. 2024, pp. 91-97, doi:10.24843/JBETA.2024.v12.i01.p10.