Darbinyan, H. H., A. R. Mkrtchyan, G. N. Shaposhnikova, and H. G. Khachatryan. 2009. “DETERMINATION OF SILVER IN PHOTO-FILM BY MEANS OF POTENTIOMETRIC AND AMPEROMETRIC TITRATION METHODS USING ALLYL- AND PHENYLTHIOUREAS”. Proceedings of the YSU B: Chemical and Biological Sciences 43 (1 (218):57-60. https://doi.org/10.46991/PYSU:B/2009.43.1.057.