Oktayudin, N. (2014). THE EFFECTIVENESS OF CLUSTERING TECHNIQUE TOWARD STUDENTS’ ABILITY IN WRITING DESCRIPTIVE TEXT: An Experimental Study at the First Grade Students of SMAN 1 Kediri in Academic Year 2013/ 2014.

Oktayudin, Nuryadi. THE EFFECTIVENESS OF CLUSTERING TECHNIQUE TOWARD STUDENTS’ ABILITY IN WRITING DESCRIPTIVE TEXT: An Experimental Study At the First Grade Students of SMAN 1 Kediri in Academic Year 2013/ 2014. 2014.

Oktayudin, Nuryadi. THE EFFECTIVENESS OF CLUSTERING TECHNIQUE TOWARD STUDENTS’ ABILITY IN WRITING DESCRIPTIVE TEXT: An Experimental Study At the First Grade Students of SMAN 1 Kediri in Academic Year 2013/ 2014. 2014.