Aptitudes and the languages

Sonraí bibleagrafaíochta
Príomhchruthaitheoir:	O'Connor, Johnson 1891-
Údar corparáideach:	Human Engineering Laboratory
Formáid:	LEABHAR
Teanga:	English
Foilsithe / Cruthaithe:	[Boston] Human Engineering Laboratory [1944].
Ábhair:	Ability > Testing. English language > Study and teaching.