USA-China trade wars : back to protectionism in world trade / Özlem Yilmaz, TC Istanbul Yeniyüzyil University, Turkey … Kemal University, Turkey -- The effect of the U.S.-China trade war on global trade / AHU COSKUN ÖZER, MARMARA UNIVERSITY …, VOCATIONAL SCHOOL OF SOCIAL SCIENCES, Turkey -- A new challenge to the multilateral world : trade war between the US and China …