Ningsih, T., Dimas Akbar Ramadhan Lubis, & Saroha Manurung. (2019). KAJIAN BIAYA PEMUPUKAN TANAMAN MENGHASILKAN KELAPA SAWIT (Elaeis guineensis Jacq) DI DIVISI F KEBUN SEI KALAM PT. ASAM JAWA . Jurnal Agro Estate, 3(2), 97–102. https://doi.org/10.47199/jae.v3i2.68