S. O. OKE, O. T. OLADIPO, C. C. NDIRIBE, D. S. AKINYEMI, and O. M. OJO, “Soil Seed Bank Dynamics in Tithonia diversifolia Dominated Fallowland Vegetation in Ile-Ife Area of Southwestern Nigeria”, Not Sci Biol, vol. 1, no. 1, pp. 29–36, Dec. 2009.