Use your head: the new science of personal problem-solving.
Levenstein, Aaron, 1910-
Use your head: the new science of personal problem-solving. - New York : Macmillan [1965] - xiv, 270 p. : ill. ; 22 cm.
Bibliography: p. 265-270.
64-24579
Problem solving.
Use your head: the new science of personal problem-solving. - New York : Macmillan [1965] - xiv, 270 p. : ill. ; 22 cm.
Bibliography: p. 265-270.
64-24579
Problem solving.