Ahsantum, Arumawati (2010) A contrastive analysis on the english translation of surah Al-Waqi'ah Among Yusuf Ali and Hilali Khan translation. Undergraduate (S1) thesis, STAIN Ponorogo.
Ma'rufah, Afni (2010) The Correlation Between Grammar Mastery an Writing Ability to The Sixth Semester Students of English Education Department of State Islamic College of Ponorogo in Academic Year 2009/2010. Undergraduate (S1) thesis, Sekolah Tinggi Agama Islam Negeri Ponorogo.
