(2007). Trigonometry & Calculus. : Open University of Sri Lanka.
2007. Trigonometry & Calculus. : Open University of Sri Lanka.
Trigonometry & Calculus. : Open University of Sri Lanka. 2007.
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Chief Librarian: Mrs.B.Hemakumara
Deputy Librarian:Mr.N.M.Waidyasuriya
Assistant Librarian:Mr.N.Mahindasiri
