Rangga, K. K., I. Efendi, I. Listiana, and T. Utami. “Study on Factors Influencing the Utilization Level of Combine Harvester by Farmers”. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering), vol. 13, no. 3, July 2024, pp. 750-62, doi:10.23960/jtep-l.v13i3.750-762.