TY - SER AU - Al-Afify, Nourhan Kh AU - Trabik,Yossra A AU - El-Kosasy,Amira M AU - Magdy,N TI - Spectrophotometric determination of polyvinyl pyrrolidone in pure and pharmaceutical dosage form KW - POLYVINYL PYRROLIDONE KW - IF N1 - YI2021 M11 UR - http://lib3.dss.go.th/Fulltext/IF_File/IF91/IF091-134.pdf Sources - Journal of AOAC INTERNATIONAL Sources - Vol. 104, No. 5, 2021, p. 1420–1429 ISSN - 1944-7922 (Online) ER -