Riris, Ida Duma, Universitas Muhammadiyah Sumatera Utara

• Vol 20, No 3 (2017) - Articles
  ASSESSMENT OF THE QUALITY OF CRUDE PALM OIL FROM ELAEIS GUINEENSIS GROWING AREAS OF THE PT. LANGKAT NUSANTARA KEPONG-PTPN II NORTH SUMATERA
  Abstract  PDF