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Nelson, Leslie Weldeman

Instructional aids : how to make and use them / by Leslie W. Nelson. - Dubuque, Iowa, Wm. : C. Brown Co., 1970. - xiv, 267 p. : illus.

Includes bibliographies.

Subjects--Topical Terms:
Teaching--Aids and devices.

LC Class. No.: LB1027 N4 1970