Fil’aini, R., & Sari, T. N. (2020). ANALISIS BEBAN KERJA PETANI PADA PENGOPERASIAN KNAPSACK SPRAYER. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering), 9(2), 131–139. https://doi.org/10.23960/jtep-l.v9i2.131-139