PRIYONGGO, Budi; SUBRATA, I Dewa Made; SETIAWAN, Radite Praeko Agus. Rancang Bangun dan Pengujian Penetrometer Digital dengan Perekam Data Berbasis Android. Jurnal Keteknikan Pertanian, [S. l.], v. 7, n. 1, p. 83–90, 2019. DOI: 10.19028/jtep.07.1.83-90. Disponível em: https://journal.ipb.ac.id/jtep/article/view/27059. Acesso em: 13 jan. 2026.