ANALISIS PENGARUH HARGA TBS TEHADAP DAYA BELI PETANI SAWIT DI SEKITAR PERKEBUNAN KELAPA SAWIT DI DESA SALAPIAN KABUPATEN TANJUNG KELILING. jak [Internet]. 2025 Aug. 1 [cited 2026 Oct. 25];7(2):133-46. Available from: https://jurnal.usi.ac.id/index.php/jak/article/view/1809