Estimation of Proximate Composition in Rice Using ATR-FTIR Spectroscopy and Chemometrics oleh Syahril Siregar, Asep Nurhikmat, Rima Zuriah Amdani, Retno Utami Hatmi, Mahargono Kobarsih, Annisa Kusumaningrum, Mirwan Ardiansyah Karim, Amarilia Harsanti Dameswari, Nugroho Siswanto, Siswoprayogi Siswoprayogi, Ponco Yuliyanto