As emphasized in the preceding chapter, the basic rule for parallel construction is to never mix grammatical forms when presenting similar or related ideas. A sentence that presents two or more serial ...
" ... research ... performed ... pursuant to contract no. OEC-0-9-097721-2778 (014) with the Institute of International Studies, U.S. Department of Health, Education ...
Work done under contract no. OEC-0-9-097721-2778(014), U.S. Office of Education. https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries ...