41 Educational services, namely, providing instructional courses at the university level, specifically at the undergraduate and graduate levels; Educational services, namely, providing public lectures, seminars, symposia and conferences at the university level, specifically at the undergraduate and graduate levels, in the fields of art and design, literature, science, mathematics, labor studies, computer and information technology, business, dentistry, education, engineering and technology, health and rehabilitation, informatics, journalism, law, liberal arts, library and information science, medicine, music, nursing, pharmacy, physical education and public and environmental affairs