div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=association-of-science-technology-four-day-summer-academy-each-summer-participatinghtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Association of Science-Technology CentersFour-Day Summer Academy Each summer participating teachers attend a four-day summer academy Perot Museum of Nature and Science e Kosmos loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentinreader036viewer20220816006043244803313c592e45023ehtml5thumbnails1jpg width=140 height=200 divdiv
