Pupils' arithmetical ability
Subtitle: differences due to the teacher; a methodological approach.
Series: Suomalaisen Tiedeakatemian toimituksia, Sarja B, nide 107, 2
Publisher: Suomalaisen Kirjallisuden Kirjapaino
Published: 1957
Place of publication: Helsinki
Language: eng
Number of pages: 48
Subjects: Arithmetic -- Study and teaching (Elementary)