R. Hidayat, L. Lizawati, R. Rainiyati, Z. Zulkarnain, E. Eliyanti, and E. Kartika, “Optimization of Growth Regulators 2,4-D and BAP on the Proliferation of Liberica Coffee Callus (Coffea liberica) in Vitro”., Biospecies, vol. 18, no. 2, pp. 28–35, Jul. 2025.