1. R. Rahhutami, A. S. Handini, and I. Lestari, "Biodelignification of post-anthesis male palm oil flowers using Trametes versicolor," J. Citra Widya Edukasi, vol. 11, no. 3, pp. 253–260, 2019.
2. R. Hamidiyanto, "Application of male oil palm flower compost on the growth of palm oil seeds (Elaeis guineensis jacq.) in the main nursery," J. Agroekoteknologi, 2012.
3. Pengaruh Delignifikasi Termal Terhadap Substansi Dinding Sel Pada Limbah Bunga Jantan Kelapa Sawit Pasca Anthesis (The Influence of Thermal Delignification of Cell Substantials for The Waste of Oil Palm Mail Flowers Post Anthesis)
4. A Novel Mesoporous Activated Carbon Derived from Calliandra calothyrsus via Physical Activation: Saturation and Superheated
5. M. H. Dahlan, H. P. Siregar, and M. Yusra, "Use of activated carbon from moringa seeds to purify used cooking oil," J. Tek. Kim., vol. 19, no. 3, pp. 44–53, 2013.