sagala, albert, et al. “Smart Farming- Drip Irrigation Controlled Using LR-WPAN With Hybrid Power”. Jurnal Sistem Informasi Dan Ilmu Komputer, vol. 5, no. 2, Feb. 2022, pp. 135-40, doi:10.34012/jurnalsisteminformasidanilmukomputer.v5i2.2462.