Geokchyan, N. O., J. A. Mickaelyan, A. A. Eghiazaryan, and H. G. Khachatryan. “EXTRACTION-ABSORPTIOMETRIC DETERMINATION OF LEVOMICYTINE BY PIRONINE «B»”. Proceedings of the YSU B: Chemical and Biological Sciences 39, no. 3 (208) (October 20, 2005): 90–93. Accessed July 3, 2024. https://journals.ysu.am/index.php/proceedings-chem-biol/article/view/vol39_no3_2005_pp090-093.