Hana jamhoure; Rawad AL Taher; Enas Fessatwi; Maryem Morghem; Amaal Salm; Mohamed El buzedi. Study the Behaviour of Hardness Properties at Different Grain Size of Libyan Calcium Carbonate-Filled HDPE Composite. JOPAS 2023, 22 (3), 1-8. https://doi.org/10.51984/jopas.v22i3.2720.