Mirabela Perju (2019). AN EXPERIMENTAL STUDY ON CONVENTIONAL AND ULTRASOUND-ASSISTED EXTRACTION OF HIBISCUS ANTHOCYANINS FOR ECO-DYEING OF COTTON SUBSTRATES. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Nano, Bio, Green and Space: Technologies for Sustainable Future, 523-534. https://doi.org/10.5593/sgem2019/6.1/s25.068