Herlambang, K., Irwan Setyo Wibowo and Maskuri Junaedi 2023. Cathodic Protection Online Monitoring Using a Low Power Wide Area Network Communication System. Natural Sciences Engineering and Technology Journal. 3, 2 (Jun. 2023), 224-231. DOI:https://doi.org/10.37275/nasetjournal.v3i2.38.