01249na a2200325 4500 000032018 7971 20230225095313.0 151001s2011 000 eng LNN eng 420.4 DO-Q Doãn Hải Quỳnh An investigation into grammatical errors in speaking performance of 10th grade student’s at Phan Chau Trinh hinh school / Doãn Hải Quỳnh. 2011. 62tr. : mh ; 30cm. An investigation into grammatical errors in speaking performance of 10th grade student’s at Phan Chau Trinh hinh school, 2011, language, grammar Luận văn sinh viên LNN UDN50 LNN English 420.4 DO-Q available Error 5001 Not defined in file expand_doc_bib_avail. 1 0 N 0 AN 1 From the UDN01 UDN50 LNN English 420.4 DO-Q available Error 5001 Not defined in file expand_doc_bib_avail. 1 0 N 0 AN 1 Printed language Mạng thư viện Đại học Đà Nẵng