Nasution, Ahmad Y, Mechanical Engineering, Universitas Sumatera Utara, Medan, Indonesia, Indonesia

• ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 7 No. 2 (2022): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat - Articles
  Utilization of a Coffee Peeler Machine for Coffee Farmer Groups in Gunung Tua Village Mandailing Natal
  Abstract  PDF