The Design Project Articles, published by master's students at the Polytechnic University of Puerto Rico, are available in electronic format through the PRCR repository. Also, a sample of these articles is available in print format in the Special Collections.
You can consult the section Locating theses, dissertations, and articles of design projects, of the LibGuide "Research in the Library: Guide for your Research Process", for details on how to search for these articles in the Catalog and the repository.