div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=y-cong-l-nhng-nhiern-vu-dat-ra-cho-nckhgd-12-thdi-v-thch-gd-sanghtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: tailieusoudnvntailieusoudnvnbitstreamTTHL_12522841GD_0333pdf · Ðåy cong là nhüng nhiern Vu dat ra Cho NCKHGD 12 Thdi vå thåch GD sang thê ki XXI ntfóc ta ti6p loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentsusreader035viewer2022070113605e3fab5aa7d75fe150e353html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=y-cong-l-nhng-nhiern-vu-dat-ra-cho-nckhgd-12-thdi-v-thch-gd-sanghtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: tailieusoudnvntailieusoudnvnbitstreamTTHL_12522841GD_0333pdf · Ðåy cong là nhüng nhiern Vu dat ra Cho NCKHGD 12 Thdi vå thåch GD sang thê ki XXI ntfóc ta ti6p loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentsusreader035viewer2022070113605e3fab5aa7d75fe150e353html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=y-cong-l-nhng-nhiern-vu-dat-ra-cho-nckhgd-12-thdi-v-thch-gd-sanghtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: tailieusoudnvntailieusoudnvnbitstreamTTHL_12522841GD_0333pdf · Ðåy cong là nhüng nhiern Vu dat ra Cho NCKHGD 12 Thdi vå thåch GD sang thê ki XXI ntfóc ta ti6p loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentsusreader035viewer2022070113605e3fab5aa7d75fe150e353html5thumbnails3jpg width=140 height=200 divdiv
