BATUBARA, F. A. B.; SUNDAWA, B. V. . .; RUSDI, M. . . Prototype Of Soil Analyzer Devices Based On Long Range (LoRa) Communication System. Jurnal Mantik, [S. l.], v. 5, n. 2, p. 1361-1367, 2021. Disponível em: https://iocscience.org/ejournal/index.php/mantik/article/view/1557. Acesso em: 17 apr. 2026.