Iqbal, Zaqlul, et al. “Pendugaan Kadar Air Dan Total Karoten Tandan Buah Segar (TBS) Kelapa Sawit Menggunakan NIR Spektroskopi”. Jurnal Keteknikan Pertanian, vol. 2, no. 2, July 2015, https://doi.org/10.19028/jtep.02.2.%p.