Armstrong, Frank A. 1921- Idea-tracking / Frank A. Armstrong. - Criterion Books, [1960]. - xi, 146 p. : ill. ; 24 cm. Includes bibliography. LCCN: 60006263 Subjects--Topical Terms: Creative abilityThought and thinking Subjects--Index Terms: ფსიქოლოგია შემოქმედებითი უნარი LC Class. No.: BF411 / .A7 Universal Decimal Class. No.: 159.9