Saprianto, ., and Nora H. Pandjaitan. “Water Use Efficiency of Trickle and Sprinkle Irrigation on Chrysant Plants (Chrysantemum Sp)”. Jurnal Keteknikan Pertanian, vol. 13, no. 3, Jan. 2011, https://doi.org/10.19028/jtep.013.3.%p.