MARLAN USMANI PUTRA (2020) “The Role Of Agroforestry Towards Local Culture And Agroforestry Farmer Attitudes Towards Its Environment In Bulungan District, North Kalimantan Province: Peran Agroforestri Terhadap Budaya Lokal Dan Sikap Petani Agroforestri Terhadap Lingkungannya Di Kabupaten Bulungan Provinsi Kalimantan Utara”, Agrifarm: Jurnal Ilmu Pertanian, 9(1), pp. 31–38. doi: 10.24903/ajip.v9i1.937.