the occurrences followed by TECH/INNOV/NPD/R&D (20%) and OR/DS/OM/SCM (10%). There were no papers from the QM/6SIGMA/PI area.
3.4. IEEE Transactions on Engineering Management (From
1988)
IEEE Transactions on Engineering Management (IEEE TEM) is one of the most prestigious journals in the engineering management field and has been published since 1954 [71]. Since IEEE Explore allows users to search papers for the last twenty years only, we were able to analyze project management trends starting from 1988. STRATEGY/ PPM (25%) and TECH/INNOV/NPD/R&D (23%) were the two major areas that made up half of the research subject occurrences. EC/CONTRACT/LEGAL (2%) and QM/6SIGMA/PI (2%) are the two areas that had the least appearance in IEEE TEM. From the 1990s (41%) and into the 2000s (56%), there has been increasing occurrences of publication of research in the areas of IT/IS (15%) and TECH/INNOV/NPD/R&D (23%). In contrast, STRATEGY/PPM (25%), OB/HRM (13%), and OR/DS/OM/ SCM (16%) have reached a plateau with no substantial changes in the number of occurrences of publications.