M. S. Chowdhury, Z. Hasan, K. Kabir, M. S. Jahan, and M. H. Kabir, “Response of Okra (<i>Abelmoschus esculentus</i> L.) to Growth Regulators and Organic Manures”, Agriculturists, vol. 12, no. 2, pp. 56–63, Jan. 2015.