"Psychologie" . . "Psychologie." . "Wiskunde." . . "EDUCATION Educational Psychology." . . "Mathématiques Étude et enseignement." . . "Matemàtica" . . "matematika psihologija matematike." . . "mathématiques - enseignement." . . "Mathématiques Aspect cognitif." . . "fag i læseplan" . . "matematik" . . "Mathematics." . . "Leerprocessen." . . "læreprocessens psykologi" . . "Matemáticas Estudio y enseñanza Aspecto psicológico." . . "læreproces" . . "mathématiques." . . "Matemàtica Ensenyament Aspectes psicològics." . . "USA" . . "Mathématiques Psychologie." . . "Mathématiques Étude et enseignement Aspect psychologique." . . "Mathematics Study and teaching Psychological aspects." . . "Kinderen." . . "Matemàtica Aspectes psicològics." . . . . . . "The Psychology of mathematics for instruction" . . . . . . . . "Electronic books"@en . . . . . . "Psychology of Mathematics for Instruction"@en . . . . . . "The psichology of mathematics for instruction" . . . . . . . . . "The psychology of mathematics"@en . . . "The psychology of mathematic for instruction" . . . . . . . . . . . . "The psychology of mathematics for instruction" . "The psychology of mathematics for instruction"@en . . . . . . . . . . . . . . . . . . "Onderwijspsychologie." . . "Mathematik" . . "Mathematik." . . .