“…As an interdisciplinary field of research and practice, the definition and boundaries of human resource development (HRD) have long been contested (Hamlin & Stewart, ; Wang & Sun, ; Weinberger, ). In this regard, scholars have made efforts to identify the theoretical foundations of HRD and HRD research themes by utilizing various approaches, including literature reviews, survey methods, content analyses, the Delphi technique, and cocitation analyses (e.g., Ghosh, Kim, Kim, & Callahan, ; Jo, Jeung, Park, & Yoon, ; McGuire & Cseh, ; Mehdiabadi, Seo, Huang, & Han, ).…”