A. O. Ikeh, I. O. Okocha, P. N. Umekwe, A. N. Amanze, and C. E. Ikeh, “ Effect of foliar application of cow dung extract on growth and yield of waterleaf (Talinum triangulare Jacq.) in an ultisol”, J. Current Opinion Crop Sci., vol. 4, no. 3, pp. 103–111, Sep. 2023.