Afolayan, A. J. and Ayandele, K. S. (1990) “A quantitative study of the structure of an abandoned cropland in Nigeria”, Revista de Biología Tropical, 38(2B), pp. 421–423. Available at: https://revistas.ucr.ac.cr/index.php/rbt/article/view/25438 (Accessed: 25November2024).