Mba, C. C. (1989) “Biomass and vermicompost production by the earthworm <i>Eudrilus eugeniae</i> (Kinberg)”, Revista de Biología Tropical, 37(1), pp. 11–13. Available at: https://revistas.ucr.ac.cr/index.php/rbt/article/view/23522 (Accessed: 6May2024).