• RASLAN, WALEED, MANSOURA UNIVERSITY
• RASTGOO, ABBAS, SCHOOL OF MECHANICAL ENGINEERING, COLLEGE OF ENGINEERING, UNIVERSITY OF TEHRAN, TEHRAN, IRAN
• RASTGOO, ABBAS
• RATHI, VIVEK
• RAVEENDRA BABU, RAVI, INDIAN INSTITUTE OF TECHNOLOGY DELHI, NEW DELHI, INDIA
• RAVEENDRANATH, P., DEPARTMENT OF AEROSPACE ENGINEERING, INDIAN INSTITUTE OF SPACE SCIENCE AND TECHNOLOGY, THIRUVANANTHAPURAM-695547, KERALA, INDIA.
• Ravindra, P.K, Government Engineering College
• RAYHAN, SAIAF BIN, SCHOOL OF ASTRONAUTICS, NORTHWESTERN POLYTECHNICAL UNIVERSITY, XI’AN, 710072, CHINA
• RAYON, ELADIO MARTINEZ, DEPARTAMENTO DE INGENIERÍA MECÁNICA, CENTRO NACIONAL DE INVESTIGACIÓN Y DESARROLLO TECNOLÓGICO, CENIDET, CUERNAVACA, MORELOS, MÉXICO
• RAZAK, HASHIM ABDUL, STRUCHMRS GROUP, DEPARTMENT OF CIVIL ENGINEERING, UNIVERSITY OF MALAYA, 50603 KUALA LUMPUR, MALAYSIA