Effect of Board Thickness on The Physical and Mechanical Properties of Particleboard Made from Red Meranti (Shorea leprosula) Sawdust Waste: Karakteristik Fisika dan Mekanika Papan Partikel dari Limbah Serbuk Gergaji Meranti Merah (Shorea leprosula). perennial. 2025;21(2):89-102. doi:10.24259/perennial.v21i2.47452