Leonardos, A. C. (1999). Non-formal vocational training programmes for disadvantaged youth and their insertion into the world of work: Towards a framework for analysis and evaluation : a report. Unesco, International Institute for Educational Planning.

Leonardos, Ana Cristina. Non-formal Vocational Training Programmes for Disadvantaged Youth and Their Insertion into the World of Work: Towards a Framework for Analysis and Evaluation : A Report. Paris: Unesco, International Institute for Educational Planning, 1999.

Leonardos, Ana Cristina. Non-formal Vocational Training Programmes for Disadvantaged Youth and Their Insertion into the World of Work: Towards a Framework for Analysis and Evaluation : A Report. Unesco, International Institute for Educational Planning, 1999.