Salih Abbas HABEEB; Nardin Adnan BIRTIO; Hanaa Jawad KADHIM. The Influence of Bio Natural Dye on the Optical Properties of Liquid Polyvinyl Alcohol. Advanced Aspects of Engineering Research Vol. 15, [S. l.], p. 41–47, 2021. DOI: 10.9734/bpi/aaer/v15/2158F. Disponível em: https://stm.bookpi.org/AAER-V15/article/view/1742. Acesso em: 13 jun. 2026.