Ermanita, Ermanita, et al. “Strategi Adaptasi Buruh Kelapa Sawit Di Kampung 2 Mahakarya Kecamatan Luhak Nan Duo ”. Jurnal Pendidikan Tambusai, vol. 5, no. 3, Sept. 2021, pp. 6290-4, http://jptam.org/index.php/jptam/article/view/1497.