Mr Tiana wrote 19 books and 150 articles on various themes concerning history of education, comparative education and the evaluation of educational systems.

UNESCO: Quality in educational policy: Research and foresight

These discussions made possible to map the needs and perspectives for the implementation of the national curriculum guidelines for the Education on ethnic-racial relations, and on African and African-Brazilian History and Culture in the basic educational system of Brazil.

UNESCO: OFFICE IN BRASILIA