Töngemen, Mustafa. Ulusal matematik olimpiyatı soru ve çözümleri 1993-2006 / by Mustafa Töngemen. - İzmir : TÜBİTAK, 2007. - 264 p. : ; 28 cm. - Altın seri . - Altın seri . This book is in Turkish. ISBN: 9756146095 Subjects--Topical Terms: Mathematics--Study and teaching.