PROGRAMMED ENGLISH : A Self Instructional Course. Unit 6 Side B. Pages 250-261
PROGRAMMED ENGLISH : A Self Instructional Course. Unit 6 Side A. Pages 171-189
PROGRAMMED ENGLISH : A Self Instructional Course. Unit 5 Side B. Pages 168-195
PROGRAMMED ENGLISH : A Self Instructional Course. Unit 5 Side B. Pages 174-201
PROGRAMMED ENGLISH : A Self Instructional Course. Unit 5 Side B. Pages 140-160
PROGRAMMED ENGLISH : A Self Instructional Course. Unit 4 side B. Pages 202-209
PROGRAMMED ENGLISH : A Self Instructional Course. Unit 3 side A. pages 767-87
PROGRAMMED ENGLISH : A Self Instructional Course. Unit 3 side A. pages 77-104
PROGRAMMED ENGLISH : A Self Instructional Course. Unit 3 side A. pages 68-88