This document contains certificates for Renata Oliveira Costa from Brazil. The first certificate confirms she completed an In-Service Teacher Training Program in Japan from April 2007 to March 2008 and earned a major in School Education from Aichi University of Education. The second certificate lists the Japanese language courses she attended from April to September 2007, totaling 15 credit hours. Both certificates are from Aichi University of Education and certify her participation and completion of the programs.