Ochekwu, E. B., I. A. Ogbuotobo, and C. O. Nichodemus. “SPECIES DIVERSITY AND DYNAMICS IN THE SOIL SEED BANK OF A YAM FIELD AND A FALLOW FIELD”. The Bioscientist Journal, Vol. 10, no. 3, Oct. 2022, pp. 336-47, https://bioscientistjournal.com/index.php/The_Bioscientist/article/view/129.