EKO BUDI SETIAWAN; RISA HERDIANTO. Utilization of Android Smartphones as a Tool for Analyzing Nitrogen Content Requirements in Rice Plants. Jurnal Nasional Teknik Elektro dan Teknologi Informasi, [S. l.], v. 7, n. 3, p. 273–280, 2018. Disponível em: https://jurnal.ugm.ac.id/v3/JNTETI/article/view/2646. Acesso em: 4 sep. 2026.