Numbers and the world of things a developmental study
Lunzer, E. A.(Eric Anthony),1923-
Bell, A. W.(Alan William),1929-2018.
Shiu, Christine Marian.
Shell Centre for Mathematical Education.
Nottingham University of Nottingham, School of Education, Shell Centre for Mathematical Education
1976
Report of a Social Science Research Council Project HR2097/2 'The acquisition of some mathematical notions in children of school age'
Concept learning.
Mathematics