SimraS., and Rudiana T. “DEVELOPMENT OF CACAO VARIETY IDENTIFICATION METHOD USING COMBINATION OF FTIR SPEKTROSCOPY AND MULTIVARIATE ANALYSIS”. Jurnal Crystal : Publikasi Penelitian Kimia Dan Terapannya, Vol. 5, no. 2, Sept. 2023, pp. 16 -21, doi:10.36526/jc.v5i2.3075.