Sumiati I, Rusyaman E, Subartini B, . S, Budiono R. The application of fractional derivatives through Riemannliouville approach to xanthan gum viscoelasticity. IJET [Internet]. 2018 Sep. 24 [cited 2024 Dec. 22];7(4):2633-7. Available from: https://sciencepubco.com/index.php/ijet/article/view/15254