Hadikusuma, Ridwan Satrio, dan Lela Nurpulaela. “RSSI Analysis on CSS Modulation in the 433 MHz Frequency Band Using Lora in Flood Sensor”. TELKA - Telekomunikasi Elektronika Komputasi Dan Kontrol, vol. 8, no. 2, November 2022, hlm. 95-102, doi:10.15575/telka.v8n2.95-102.