Increasing Agricultural Production By Utilizing Crab Shell Waste Into Organic Fertilizer On Seliu Island, Belitung Regency: Peningkatan Produksi Pertanian Dengan Pemanfaatan Limbah Cangkang Rajungan Menjadi Pupuk Organik Di Pulau Seliu, Kabupaten Belitung. jpu [Internet]. 2018 Aug. 15 [cited 2026 Apr. 19];4(2). Available from: https://www.journal.ubb.ac.id/index.php/lppm/article/view/177