Sirekanyan, I. N., H. N. Engibaryan, H. G. Khachatryan, and M. L. Yeritsyan. “UNSATURATED REACTIONABLE DERIVATIVES OF BIURET”. Proceedings of the YSU B: Chemical and Biological Sciences 43, no. 2 (219) (May 22, 2009): 27–31. Accessed July 22, 2024. https://journals.ysu.am/index.php/proceedings-chem-biol/article/view/vol43_no2_2009_pp027-031.