Hakim, G., Hafidz, muhammad, Firdausi, A., & Ramadhan, E. (2020). Wireless Sensor Network Nodal Development for Low Cost and Low Power PH Soil Monitoring Agriculture 4.0 Application. Journal FORTEI-JEERI, 1(2), 10-18. https://doi.org/10.46962/forteijeeri.v1i2.16