Question: Mary J. Hickman has been a Visiting Professor at a University which is a dual-sector tertiary institution that provides what kinds of education?
Sentence (from "Ho Polytechnic"): However, it was not until 1993 that it got full backing of the law (Polytechnic Law 321) to become a fully-fledged tertiary institution, charged with the responsibility of training students to the Higher National Diploma (HND) and Degree Levels.
Relevant evidence: No