Syarief, A.; Fadliyanur; Suryanta, D.; Nugraha, A.; Aufa Ramadhasari, A.; Setiawan, B. Effect of Volume Fraction Hybrid Composite Duck Feathers (Anas Plathycus Borneo) - Rat Purun Fiber (Eleocharis Dulcis) With Matrix Polyester On Tensile And Bending Strength. CIVENSE 2022, 5, 215-224.