Noni Rozaini, Tinti Sriyani. Analisis Pengaruh Perkebunan Kelapa Sawit Terhadap Perekonomian di Provinsi Sumatera Utara Tahun 2012-2020. optimal [Internet]. 2023 Jun. 30 [cited 2025 May 11];3(2):60-72. Available from: https://researchhub.id/index.php/optimal/article/view/1392