Geretschläger, Robert Ed. Engaging young students in mathematics through competitions world perspectives and practices vol.1 - Singapore Worl Scientific c2018 - xvi, 176p. HB 24cm. - Problem solving in mathematics and beyond , Vol 13 . Includes index ISBN: 9789811205828 Subjects--Personal Names: _ Subjects--Uniform Titles: MathematicsCompetitionsStudy and teaching Dewey Class. No.: 510.79 / GER