HaqA. N. H.; BasuniS.; SunkarA. Implementation Of Corporate Social Responsibility (CSR) Policies and Program Of Palm Oil Plantation Companies In PT Perkebunan Nusantara V Riau Province. Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management), v. 10, n. 4, p. 715-724, 29 Apr. 2021.