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Momoniat, E. .; Moremedi, M.; Mahomed, F. M. Professor D.P. Mason (MASSAF, FRSSAF) on the Occasion of His 75th Birthday: A Lifetime Contribution to the Development of Applied Mathematics in South Africa. S. Afr. J. Sci. 2021, 117 (1/2). https://doi.org/10.17159/sajs.2021/9114.