Syed, Abid Raza. Study of international gateway exchange II karachi with emphasis on satellite communications / Syed Abid Raza...[et.al.] - MUET, Jamshoro : Electronics Engineering, IICT, 1998. - 148p. : ill. ; 30 cm. Includes References. Subjects--Topical Terms: Electronics Engineering. Dewey Class. No.: / SYE