INVESTIGATION OF STUDENT?óÔé1⁄4ÔäóS WORK ON FRACTION?óÔé1⁄4ÔäóS IMPLEMENTATION BASED ON THE JOURNAL ENTITLED ?óÔé1⁄4?ôA STUDY ON THE ABILITY OF SIXTH GRADE STUDENTS IN TIBETAN AREAS TO SOLVE MATH PROBLEMS?óÔé1⁄4?Ø - Pramasdyahsari, Agnita Siska (Universitas PGRI Semarang, 2015)