KUALITAS PAPAN KOMPOSIT BATANG KELAPA SAWIT (Elaeis guineensis Jacq) DAN LIMBAH PLASTIK POLIPROPILENA BERBAGAI VARIASI RASIO DAN PENAMBAHAN MALEIC ANHYDRID Composite Boards From Oil Palm Trunks (Elaeis Guineensis Jacq) And Polypropylene Plastic Waste In - wati, Ida (Universitas Tanjungpura, 2015)