Purdue University’s Online Writing Lab (OWL): https://owl.english.purdue.edu/owl/
Writing Guidelines (criteria of assessment and rules of good writing): https://files.eportfolios.macaulay.cuny.edu/wp-content/uploads/sites/6585/2019/01/16204710/Macaulay-2019-assessment-criteria-rules-of-good-writing.pdf
