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1. Research design and methods :   Publication: Mountain View, Calif. : Mayfield Pub. Co., 1988 . xii, 596 p. : , Includes indexes. 25 cm. Date:1988 Availability: No items available: Actions: Add to cart
2. The challenge of change :   Publication: Boston : Little, Brown, 1966 . xviii, 269 p. Date:1966 Availability: No items available: Actions: Add to cart No cover image available No cover image available