Speech given at “Fundação Centro de Estudos do Comércio Exterior”, São Paulo, Brazil, 1985.
Speeches 
How to Elaborate Countertrade Contracts – Local and Foreign Legislation on Countertrade
Speech given at “Fundação Centro de Estudos do Comércio Exterior”, São Paulo, Brazil, 1985.
The Mechanisms and Legislation of Countertrade
Speech given at “Fundação Centro de Estudos do Comércio Exterior”, São Paulo, Brazil, 1984.
Legal Aspects of Company Aquisition
Speech given at Aquisition Consultants (Division of Catho Progresso Profissional, Commercial Ltda.), São Paulo, Brazil, 1983.
General Notions of Business Law
Speech given at Great Start Super Secretary Club, São Paulo, Brazil, 1982.