PENGARUH GAYA MENGAJAR DAN MOTIVASI BELAJAR TERHADAP HASIL BELAJAR BACKHAND GROUNDSTROKES TENNIS (Studi Eksperimen di FIK UNIMED 2013) EFFECTS THE STYLE OF TEACHING AND LEARNING MOTIVATION ON LEARNING OUTCOMES TENNIS BACKHAND GROUNDSTROKES (Experimental Study In FIK UNIMED 2013) DENGGAN PULUNGAN ABSTRAK This study aims to determine the Effects The Style of teaching and motivation to learn…