Sugiana, I.W. et al. 2017. Design of Maize (Zea Mays) Planters and Fertilizer Dibble Stick-Type Semi-Mechanical Ergonomics. Jurnal BETA (Biosistem dan Teknik Pertanian). 5, 1 (Jan. 2017), 83–92. DOI:https://doi.org/10.24843/JBETA.2017.v05.i01.p11.