Lists of books available to browse online through the NSU Libraries' catalog, NovaCAT. You'll see both eBook links and physical books.
SAGE Research Methods Online database has downloadable book chapters focused on systems thinking, systems theory, systems analysis, social structures, social change, complexity theory, observational research, etc. in a variety of contexts and disciplines within the scope of research methods and design. (NSU login required.)
Social Theory database (Alexander Street Press) has a large section devoted to systems and conflict theories. Note, this database does not cover all theories comprehensively. (NSU login required.)
LinkedIn Learning available for free via the library's subscription has content devoted to a variety of topics associated with the world of system design across disciplines, in practice, and in workplaces. (NSU login required.)