Comparative Analysis of Hole Surface Quality in CNC Drilling of Novel Sisal Fibre Reinforced Aluminium Wire Mesh Sandwich Composite and Sisal Fiber Laminate With 90° 0° 90° Ply Orientation Angle. Journal of Pharmaceutical Negative Results 2022, 69-76. https://doi.org/10.47750/pnr.2022.13.S04.008.