Pamungkas, Ratna, AND 		Amroni, Agus.
" THE EFFECTIVENESS OF WRITTEN CORRECTIVE FEEDBACK IN  TEACHING WRITING CAUSE EFFECT AT THE ELEVENTH GRADE  OF SMA NEGERI 1 GROGOL KEDIRI" <em>Jurnal Pendidikan Bahasa Inggris Proficiency</em> [Online], Volume 3 Number 1 (11 January 2021)