Full Professor at Physics Department of State Unversity of Maringá, PR, Brazil.

Hochschuldozentin Glass Chemistry, University Jena (retired)

School of Engineering, New York State College of Ceramics, Alfred University

Université Paris Sud

Bialystok University of Technology

Department of Automotive Engineering, Yeungnam University, Gyeongsan, Gyeongbuk …

Asst. Professor of Physics, Sri Venkateswara University

Universiti Putra Malaysia, Yobe State University Damaturu Nigeria

Senior Lecturer, Universiti Teknologi Malaysia

PhD Student, Universidade Estadual de Maringá (UEM)