Agbangba, E. C., E. L. . Sossa, G. D. Dagbenonbakin, S. . Diatta, and L. E. . Akpo. “DRIS Model Parameterization to Access Pineapple Variety ’Smooth Cayenne’ Nutrient Status in Benin (West Africa)”. Journal of Asian Scientific Research, vol. 1, no. 5, Sept. 2011, pp. 254-6, https://archive.aessweb.com/index.php/5003/article/view/3293.