Zurich, Switzerland October 18-19, 2021
Dimitrios Chronopoulos Associate Professor, University of Nottingham UK
Thomas Naze Ph.D, University of Lille France
Paul Guillaumot CEO, Spare Parts 3D France
Larisa Zolotova Gemologist, State Hermitage Museum Russia
EPHRAIM SUHIR Pofessor, Portland State University USA
Abdeen Mustafa Omer Associate Researcher , Energy Research Institute India