Mathematical challenges selected problems from the Mathematics student journal compiled and annotated by Mannis Charosh. - Washington National Council of Teachers of Mathematics [1965] - vi, 135 p. illus. 23 cm. LCCN: 65019606 Subjects--Topical Terms: Mathematics--Problems, exercises, etc. LC Class. No.: QA43 / .M325 Dewey Class. No.: 510.76