Bassam A. Hassan, Hameedi N Nasera, and Maitham M. Abdulridha. “Synthesis and Antimicrobial Evaluation of Fused Heterocyclic Compound [1,2,4] Triazolo [4,3-b][1,2,4,5] Tetra Zine”. International Journal of Research in Pharmaceutical Sciences 10, no. 2 (April 14, 2019): 1254-1258. Accessed October 21, 2019. https://pharmascope.org/index.php/ijrps/article/view/417.