Hassan, N., Abdullah, R., Kiong, L., Ahmad, A., Abdullah, N., Zainudin, F., Ismail, H. and Abd. Rahman, S. 2014. Micropropagation and production of eurycomanone, 9- methoxycanthin-6-one and canthin-6-one in roots of <i>Eurycoma longifolia</i> plantlets. African Journal of Biotechnology. 11, 26 (Mar. 2014), 6818–6825. DOI:https://doi.org/10.5897/ajb11.3414.