Ruswenti, Efrita, et al. “Jenis-Jenis Burung Di Perkebunan Kelapa Sawit PT. Andalas Wahana Berjaya (AWB), Kabupaten Dharmasraya, Sumatera Barat”. Jurnal Biologi UNAND, vol. 3, no. 3, June 2015, doi:10.25077/jbioua.3.3.%p.2014.