On Radio Heronian Mean Dd-Distance Of Some Operation Graphs. International Journal of Food and Nutritional Sciences, [S. l.], v. 11, n. Special Issue 3, p. 2889–2897, 2022. Disponível em: https://www.ijfans.org/index.php/Journal/article/view/9212. Acesso em: 8 sep. 2026.