div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentmain-re-textbook-zohoiau-tnb-re-textbook-chapter-9pdf-building-system-modelshtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Main RE Textbook - Zohoiau-tnbzohositescomfilesMain RE Textbook-chapter 9pdf · Building system Models for Requirements Engineering Section 91 makes the notion of goal obstruction loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsusreader035viewer20220710005fbca6561d3441316a29420chtml5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentmain-re-textbook-zohoiau-tnb-re-textbook-chapter-9pdf-building-system-modelshtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Main RE Textbook - Zohoiau-tnbzohositescomfilesMain RE Textbook-chapter 9pdf · Building system Models for Requirements Engineering Section 91 makes the notion of goal obstruction loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsusreader035viewer20220710005fbca6561d3441316a29420chtml5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentmain-re-textbook-zohoiau-tnb-re-textbook-chapter-9pdf-building-system-modelshtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: Main RE Textbook - Zohoiau-tnbzohositescomfilesMain RE Textbook-chapter 9pdf · Building system Models for Requirements Engineering Section 91 makes the notion of goal obstruction loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...