div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: · 9142017 · 40 287 20 2 El 2016-9-1 44 -El 4 SPOC 2014 2 Coursera I o km T h 2017 Coursera Coursera edX 201796 19 src=https:reader036fdocumentsfrreader036viewer20220816125f1ccab75f28fc6beb3c0dcehtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: · 9142017 · 40 287 20 2 El 2016-9-1 44 -El 4 SPOC 2014 2 Coursera I o km T h 2017 Coursera Coursera edX 201796 19 src=https:reader036fdocumentsfrreader036viewer20220816125f1ccab75f28fc6beb3c0dcehtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv