Lumbanraja, Penny Charity, Dinas Koperasi dan Perdagangan Kabupaten Asahan, Provinsi Sumatera Utara, Indonesia, Indonesia

• Indonesian Journal of Agricultural Research Vol. 6 No. 2 (2023): InJAR, Vol. 6, No. 2, July 2023 - Articles
  The Influence of Farmers' Welfare on Oil Palm Plantation Productivity in Indonesia
  Abstract  PDF