1. Chemometric classification of geothermal and non-geothermal ethanol leaf extract of seurapoh (Chromolaena odorata Linn) using infrared spectroscopy. Issue 1 (February 2021) Authors: Abubakar, A; Yusuf, H; Syukri, M; Nasution, R; Karma, T; Munawar, A A; Idroes, R Journal: IOP conference series Issue: Volume 667:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Identification of Gayo arabic coffee beans and powder using the FTIR-PCA combination method. Issue 1 (February 2021) Authors: Akbar, Z; Idroes, R; Ginting, B; Karma, T; Rahimah, S; Helwani, Z; Yusuf, M Journal: IOP conference series Issue: Volume 1087:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Classification of Gayo Arabica coffee ethanol extract using FTIR-PCA. Issue 1 (February 2021) Authors: Akbar, Z; Idroes, R; Yusuf, M; Karma, T; Ginting, B; Rahimah, S; Idroes, G M; Paristiowati, M; Tallei, T E Journal: IOP conference series Issue: Volume 667:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗