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BASIRUN, C. (2004). IMPROVE YOURSELF : HIGH SCHOOL ENGLISH TEXTBOOK SMA KELAS 1 (-). JAKARTA: PT GRASINDO.

Gaya MLA

BASIRUN, CHABIB. "IMPROVE YOURSELF : HIGH SCHOOL ENGLISH TEXTBOOK SMA KELAS 1". - JAKARTA: PT GRASINDO, 2004. Text.