Z. Ambassa
National Higher Polytechnic School of Douala, University of Douala
Cameroon

Zoa Ambassa – PhD, Doctor of Engineering, Senior Lecturer, Laboratory of Mechanical and Materials, Department of Civil Engineering

R. Medjo Eko
International Higher School of Bridges and Pavements of Abidjan, Ivory Coast, University of Douala
Cameroon

Robert Medjo Eko – PhD, Professor of Geotechnical Engineering

M. N. Safonova
M.K. Ammosov North-Eastern Federal University
Russian Federation

Mariya N. Safonova – Cand. Sci. (Technology), Assoc. Professor of the Department of Applied Mechanics and Building Materials Science

Yakutsk

A. A. Fedotov
M.K. Ammosov North-Eastern Federal University
Russian Federation

Andrey A.Fedotov – Senior Lecturer of the Department of Applied Mechanics and Building
Materials Science, Institute of Engineering and Technology

Yakutsk

N. E. Ammosova
M.K. Ammosov North-Eastern Federal University
Russian Federation

Nyurguyana E. Ammosova – Head of the Laboratory of the Department of Applied Mechanics and Building Materials Science, Institute of Engineering and Technology

Yakutsk