STUDY AND DETERMINATION OF THE NATURAL FREQUENCIES AND NATURAL MODES OF BENDING VIBRATION OF CARBON/EPOXY COMPOSITE TUBE AND STEEL TUBE - RAKOTOMANANA, Dina Arisoa; RAKOTOMANANA, Charles Rodin; RAKOTOMANANA, Iréna Arivony; RAKOTOMANANA, Michaël Godin; RANDRIAMORASATA, Josoa Albert (International Journal of Advance Research and Innovative Ideas In Education, 2022)