Rusnani, R. “MODEL PEMBERDAYAAN PETANI DALAM PENGEMBANGAN PERKEBUNAN KARET BERKELANJUTAN DI KABUPATEN BATANG HARI”. UNES Journal of Scientech Research, Vol. 4, no. 1, June 2019, pp. 117–129, https://ojs.ekasakti.org/index.php/UJSR/article/view/286.