- Unagwu, Benedict O.., Ayogu, Roseline U. (2023). Animal manure application effects on soil properties and okra ( Abelmoschus esculentus L) growth and yield performance. International Journal of Recycling of Organic Waste in Agriculture, 11(3), 333-342, https://doi.org/10.30486/ijrowa.2022.1910512.1137