Nana, R., B. Badiel, H. M. Ouedraogo, F. Soubande, and Z. Tamini. “Quantitative Characteristics of the Okra [Abelmoschus Esculentus (L.) Moench] Root System Under Water Constraints”. European Scientific Journal, ESJ, Vol. 15, no. 27, Sept. 2019, p. 159, doi:10.19044/esj.2019.v15n27p159.