The wholesome personality a contribution to mental hygiene

Xehetasun bibliografikoak
Egile nagusia:	Burnham, William Henry 1855-1941
Formatua:	Liburua
Hizkuntza:	English
Argitaratua:	New York, London D. Appleton and company [c1932].
Gaiak:	Mental physiology and hygiene. Personality. Educational psychology.