MARDJAN, Sutrisno Suro; SURBAKTI, Leonardo. Penentuan Kadar Air dan Kandungan Piperin Lada Hitam (Piper Nigrum L.) Menggunakan Near Infrared Spectroscopy (NIRS). Jurnal Keteknikan Pertanian, [S. l.], v. 11, n. 1, p. 102–115, 2023. DOI: 10.19028/jtep.011.1.102-115. Disponível em: https://journal.ipb.ac.id/jtep/article/view/45265. Acesso em: 24 dec. 2025.