C. Ilodibia, C. Okeke, M. Chukwuma, N. Okeke, E. Akachukwu, and B. Aziagba, “Taxonomic significance of morphology and palynology of two species of Dracaena found in south eastern Nigeria”, IJBR, vol. 3, no. 1, pp. 5–8, Dec. 2014, doi: 10.14419/ijbr.v3i1.3737.