Nagaraja KM, T V. CONVEXITY AND CONCAVITY OF MEANS. Int. J. Res. Granthaalayah [Internet]. 2017 Apr. 30 [cited 2024 Jul. 23];5(4RAST):92-7. Available from: https://granthaalayahpublication.org/journals/granthaalayah/article/view/IJRG17_RAST_14