Use of Citrus Peel Waste as Bio-Fillers in Polyester Resin Composites: Analysis of Mechanical Properties. - Jureczko, Mariola; Dziekońska, Małgorzata; Czapla, Tomasz; Gzik-Zroska, Bożena; Joszko, Kamil (Materials (1996-1944), 2026)