THE CONTRIBUTION OF CLUSTERING TECHNIQUE IN DEVELOPING IDEAS ON A SHORT PARAGRAPH FOR THE FIRST YEAR ENGLISH EDUCATION STUDENTS OF STAI MIFTAHUL ULUM TANJUNGPINANG. (2018). EXPOSURE : JURNAL PENDIDIKAN BAHASA INGGRIS, 7(2), 117-126. https://doi.org/10.26618/exposure.v7i2.1609