Arstamyan, Z.M. et al. 2006. EXTRACTION-PHOTOMETRIC DETERMINATION OF ANALGINUM BY RHODAMINE C IN PHARMACENTICALS. Proceedings of the YSU B: Chemical and Biological Sciences. 40, 1 (209) (Mar. 2006), 145–147. DOI:https://doi.org/10.46991/PYSU:B/2006.40.1.145.