“Ecotourism-Based Mangrove Forest Tourism Development In Penagan Village, West Mendo District, Bangka Regency, Bangka Belitung Islands Province: Pengembangan Wisata Hutan Mangrove Berbasis Ecotourism Di Desa Penagan Kecamatan Mendo Barat Kabupaten Bangka Provinsi Kepulauan Bangka Belitung”, jpu, vol. 4, no. 2, Aug. 2018, doi: 10.33019/jpu.v4i2.176.