Optimizing The Production System Of Quality Pineapple Processed Products And Post-Production Waste Management In Tua Tunu Village - Pangkalpinang City: Optimalisasi Sistem Produksi Produk Olahan Nenas Berkualitas Serta Manajemen Limbah Pasca Produksinya Di Kelurahan Tua Tunu – Kota Pangkalpinang. jpu 2020, 7 (2), 53-61. https://doi.org/10.33019/jpu.v7i2.2090.