Guide: Instructions for case analysis or articles
4. Reflexive analysis on developments in the case or article. You can use other references that approach the situation raised in this case or article from other perspectives.
5. Conclusion or recommendation.
J.M.N. van Kasteren, A.P. Nisworo, A process model to estimate the cost of industrial scale biodiesel production from waste cooking oil by supercritical transesterification, Resources, Conservation and Recycling, Volume 50, Issue 4, June 2007, Pages 442-458, ISSN 0921-3449, http://dx.doi.org/10.1016/j.resconrec.2006.07.005.