“Science And Technology For Tua Tunu Community In Improving The Economy Through The Utilization Of Pineapple Processed Products Into Products That Have Value Added: IPTEK Bagi Masyarakat Tua Tunu Dalam Meningkatkan Perekonomian Melalui Pemanfaatan Produk Olahan Nanas Menjadi Produk Yang Memiliki Value Added”, jpu, vol. 4, no. 2, Aug. 2018, doi: 10.33019/jpu.v4i2.170.