Media type: E-Article Title: A Programed Approach to Teaching Contributor: Cheney, Carl D.; Powers, Richard B. Published: Informa UK Limited, 1971 Published in: Improving College and University Teaching, 19 (1971) 2, Seite 164-166 Language: English DOI: 10.1080/00193089.1971.10533095 ISSN: 0019-3089 Keywords: General Earth and Planetary Sciences ; General Environmental Science Origination: Footnote: