UJI KARAKTERISTIK ASAP CAIR SEKAM PADI PADAALAT PIROLISIS PLASTIK-SEKAM PADI (The Characteristics Test Of Rice Husk Liquid Smoke On Plastic-Rice Husk Pyrolysis Equipment) - Sitanggang, Diana Rosa; Program Studi Keteknikan Pertanian, Fakultas Pertanian, Universitas Sumatera Utara Jl. Prof. Dr. A. Sofyan No. 3 Kampus USU Medan 20155 (Universitas Sumatera Utara, 2019)