Effect of hemp fibre length on the properties of polypropylene compositesAlao, Percy Festus; Kallakas, Heikko; Poltimäe, Triinu; Kers, JaanAgronomy research2019 / p. 1517–1531 : ill https://doi.org/10.15159/AR.19.146 Journal metrics at Scopus Article at Scopus