Hutagaol, Dermawan, Universitas Muhammadiyah Sumatera Utara

• Vol 20, No 1 (2016) - Articles
  UTILIZATION HARVEST WASTE AS ORGANIC FERTILIZER BY COMPOSTING ON PADDY FARMER GROUP AT HUTAGAOL PEATALUN VILLAGE, BALIGE KABUPATEN TOBA SAMOSIR
  Abstract  PDF