Donkoh, Ebenezer, John Degenstein, and Yun Ji. 2012. “Process Integration and Economics Evaluation of Sugar Beet Pulp Conversion into Ethanol”. International Journal of Agricultural and Biological Engineering 5 (2):52-61. https://www.ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/532.