Purwanto, Y. Aris, Masyitah, and Slamet Widodo. “Authentication of Aceh Rice Variety Sigupai Using Portable Near-Infrared Reflectance Spectrometer”. Jurnal Keteknikan Pertanian 11, no. 1 (April 17, 2023): 41–53. Accessed December 24, 2025. https://journal.ipb.ac.id/jtep/article/view/43956.