Principles of guidance / Jones, Arthur J. (Arthur Julius), 1871-1963.
050 LB10275 J6 01970
100 Jones, Arthur J. (Arthur Julius), 1871-1963.
245 Principles of guidance
260 New York : McGraw-Hill, [1969, c1970].
050 LB10275 J6 01970
100 Jones, Arthur J. (Arthur Julius), 1871-1963.
245 Principles of guidance
260 New York : McGraw-Hill, [1969, c1970].