"Mathematics History." . . "Mathématiques." . . . . . . . . . . . . . . . . . . . . "The teaching of elementary mathematics"@en . "The teaching of elementary mathematics" . . . . "History"@en . "History" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "The Teaching of Elementary Mathematics"@en . . "The Teaching of Elementary Mathematics" . . . . "Mathematics Study and teaching." . . "Mathématiques, Enseignement, Méthodes." . . "Mathematics." . .