Different Effects of Live Demonstration and Video Demonstration Learning Models on the Performance of the Tennis Service Biomechanics Review from Eye-Hand Coordination Journal title: International Journal of Social Science And Human Research Authors: Bilqis Maqbulatullah, M. Furqon Hidayatullah, Sapta Kunta Purnama, Rumi Iqbal Doewes Subject(s): Economics, Humanities, Law, Social Sciences, Literature, Sociology of Education, Criminology, Public Administration