Optimization Of Yard Land For Agriculture In Jada Bahrin Village, Merawang Sub-District, Bangka District, Bangka Belitung Island Province: Optimalisasi Lahan Pekarangan Untuk Pertanian Di Desa Jada Bahrin, Kecamatan Merawang Kabupaten Bangka Provinsi Kepulauan Bangka Belitung. jpu 2018, 3 (1). https://doi.org/10.33019/jpu.v3i1.144.