Punjab University Publication Bureau. (1971). Textbook on algebra TDC 1 classes exam 1973. Pengain Book.
Chicago-viite (17. p.)Punjab University Publication Bureau. Textbook on Algebra TDC 1 Classes Exam 1973. Chandigarh: Pengain Book, 1971.
MLA-viite (9. p.)Punjab University Publication Bureau. Textbook on Algebra TDC 1 Classes Exam 1973. Pengain Book, 1971.
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