THE EFFECT OF USING TPS (THINK-PAIR-SHARE) TOWARDS STUDENTS’ ACHIEVEMENT IN WRITING ANALYTICAL EXPOSITION TEXT: AN EXPERIMENTAL RESEARCH AT THE 2nd GRADE STUDENTS OF MA USWATUN HASANAH CEMPAKA PUTIH DESA AIQ DAREQ KEC. BATUKLIANG LOTENG IN ACADEMIC YEAR 2016/2017 - AINI, NURUL (2017)