Mohd Nain Hj. Awang. Conic sections and applications of integral / Mohd Nain Hj. Awang, Umar Baba. - Kuala Lumpur: Utusan Publications & Distributors, 2012. - vi, 132 p. : ill, ; 24 cm. - Siri pendidikan jarak jauh . Fakulti Sains Bumi. Gift. Includes bibliography references. ISBN: 9789676125439 Subjects--Topical Terms: Conic section.