Purbaningtyas, F. A. (1997). Pronunciation accuracy in vowel production of the students of the English Education Study Program of Sanata Dharma University the minimum competence. USD.
Chicago Style CitationPurbaningtyas, Fransisca Anggarani. Pronunciation Accuracy in Vowel Production of the Students of the English Education Study Program of Sanata Dharma University the Minimum Competence. USD, 1997.
MLA CitationPurbaningtyas, Fransisca Anggarani. Pronunciation Accuracy in Vowel Production of the Students of the English Education Study Program of Sanata Dharma University the Minimum Competence. USD, 1997.
Warning: These citations may not always be 100% accurate.