Ghori, Q. K. An introduction to ordinary differential equations [Book] / Q. K. Ghori. - Islamabad : COMSATS Institute of Information Technology, [2004]. - vi, 166 p. ; 24 cm. - CIIT series in pure and applied mathematics . All. ISBN: 9698779027 Subjects--Topical Terms: Differential equations. Dewey Class. No.: 515.352