RANCANG BANGUN ALAT PEMOTONG KELAPA MUDA TIPE MANUAL Test of Effect of Number of oil expel holes channel of Peanut oil Pressing Semi Mechanical Equipment (Arachis hypogea L.) - Daulay, M.Rezeki Murad Maldini; Program Studi Keteknikan Pertanian, Fakultas Pertanian USU Jl. Prof. Dr. A. Sofyan No. 3 Kampus USU Medan 20155 (Universitas Sumatera Utara, 2018)