Siregar, Rosnah, Faculty of Social Science, Universitas Negeri Medan, Medan, Indonesia, Indonesia

• Vol 2, No 2: July 2018 - Articles
  INNOVATION OF OIL PALM PLANT WASTE IN THE VILLAGE OF PLANTATION FOR LOSS OF DISTRICT SIRAPIT STEP DISTRICT
  Abstract  PDF

p-ISSN: 2549-1849

e-ISSN: 2549-3434