1 Subjects: “...blended cement paste...”

2 “... systems can be investigated and to the current challenges and opportunities that this past evolution has...”

3 “...Global problems, such as climate change and past and potential pandemics place a heavy burden...”

4 “.... It represents the integration of tools already used in the past (big data, cloud, robot, 3D printing, simulation...”

5 “...Global problems, such as climate change and past and potential pandemics place a heavy burden...”

6 “... constrained in the past by its own limitations. Drawing together the work of several eminent geographers...”

7 “.... Even though archaeology typically concerns itself with the remote past, it must also help us understand...”

8 “..., with a new introduction reframing the articles in the context of past and present questions...”

9 “... sustainability, land is also a marker of identity and a recurrent source of conflict. Over the past twenty years...”

10 “... the past seventy years, it has been argued and increasingly accepted that worthwhile development cannot...”

11 “... the built environment in ways that are often not visible or recognized. Over the past century and a half...”

12 “...-being. In the past four decades, rice has also become a commercial crop of great importance to Mekong...”

13 “...Global problems, such as climate change and past and potential pandemics place a heavy burden...”

14 “..., techniques, and growing knowledge base that considers past, present, and future pathways. Specific...”

15 “... during the past 30+ years. The aim of this Special Issue of Systems is to contribute to a stronger...”

16 “... of living as a bedridden patient; structured interviews with severely affected ME/CFS patients; how past...”

17 “... people to rebuild social infrastructure, typically drawing the lessons of the past. Although the story...”

18 “... for injury, absenteeism, and reduced productivity. In the past few decades, programs that expand...”

19