Elements of research : a guide for writers / Carol T. Williams & Gary K. Wolfe. Williams, Carol T., 1935- Wolfe, Gary K., 1946- joint author. Report writing. Research Methodology. 808.042 WIE Includes index. Sherman Oaks, Calif. : Alfred Pub. Co., c1979. c1979. 1979 Text xiii, 178 p. : eng