A. Abayomi Olowoake, O. Solomon Osunlola, and J. Adebayo Ojo, “Influence of compost supplemented with jatropha cake on soilfertility, growth, and yield of maize (zea mays L.) in a degraded soilof Ilorin, Nigeria”, Int. J. Recycl. Org. Waste Agric., vol. 7, no. 1, Jan. 2018, doi: 10.1007/s40093-017-0192-4.