SUARIN, Nur Aisyah Syafinaz; CHIA, Kim Seng; MOHAMAD FUZI, Siti Fatimah Zaharah. A Portable in-situ Near-infrared LEDs-based Soil Nitrogen Sensor. International Journal of Integrated Engineering, [S. l.], v. 10, n. 4, 2018. Disponível em: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/2316. Acesso em: 9 apr. 2026.