Aruna, M., P. K. . Challa, Sujatha.I, and G. . Dayakar. “Antibacterial Activity of 9-Aryl-6-(2-Methoxyphenyl)-[1,2,4] Triazolo [4,3-a][1,8]naphthyridines”. International Journal of Technical Innovation in Modern Engineering & Science, vol. 4, no. 7, July 2018, pp. 961-3, https://ijtimes.com/index.php/ijtimes/article/view/1275.