Rahmanta, Study Program of Magister Agribusiness, Faculty of Agriculture, Universitas Sumatera Utara, Indonesia, Indonesia

• Indonesian Journal of Agricultural Research Vol. 4 No. 1 (2021): InJAR, Vol. 4, No. 1, March 2021 - Articles
  Analysis of Affecting Factors on the Natural Rubber Exports Volume in North Sumatera
  Abstract  PDF
• Indonesian Journal of Agricultural Research Vol. 3 No. 2 (2020): InJAR, Vol. 3, No. 2, July 2020 - Articles
  Risk Analysis and Calculation of Insurance Premiums on Coffee Export Activities in North Sumatera Province
  Abstract  PDF