Design and implementation of irrigation prototype system based GSM. Journal Port Science Research, [S. l.], v. 4, n. 2, p. 90–95, 2021. DOI: 10.36371/port.2021.2.5 . Disponível em: https://jpsr.uruk.edu.iq/index.php/jport/article/view/71. Acesso em: 3 apr. 2026.