THE EFFECTIVENESS OF USING JIGSAW TECHNIQUE TO IMPROVE THE STUDENTS’ READING ACHIEVEMENT IN THE FIFTH YEAR OF SDN SLEMANAN 02 UDANAWU BLITAR IN ACADEMIC YEAR 2011/2012 Fitriati Husna Mardiah, Umi. Registered Student.3216083305. 2012. The Effectiveness of Using Jigsaw technique to Improve the Students’ Reading Acheivement in the Fifth Year Students of SDN Slemanan 02 Udanawu Ka…