Pengembangan Sistem Proses Retting Serat Kenaf (Hibiscus cannabinus L.) Menggunakan Kultur Mikrobial Pada Lingkungan Non-Aseptik (Retting System Development of Kenaf Fibre (Hibiscus cannabinus L.) by Microorganism Cultured in a Non-Aseptic Condition) - Ainuri, Makhmudun (Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia, 2017)