Rasulu, Hamidin, Danar Praseptiangga, I Made Joni, and Ari Handono Ramelan. 2019. “Preparation and Characterization of Biopolymer Chitosan Nanofiber from Coconut Crab Shell”. International Journal on Advanced Science, Engineering and Information Technology 9 (3):866-73. https://doi.org/10.18517/ijaseit.9.3.8380.