1. A note on the effect of leaf number on rooting of Hopea odorata stem cuttings;Aminah;J. Trop. For. Sci.,1991
2. Effect of indole butyric acid (IBA) on stem cuttings of Shorea leprosula;Aminah;For. Ecol. Manage.,1995
3. Dalziel, J.M., 1937. The Useful Plants of West Tropical Africa, 612 pp.
4. Rooting of mesquite (Prosopis) cuttings;Felker;J. Range Manage.,1981
5. Hallé, N., 1966. Flore du Gabon, No. 12. Famille des Rubiacées (1èrePartie), 278 pp.