# Trends and Recommendations for Enhancing Maturity Models in Supply Chain Management and Logistics
## 3 Results
### Bibliometric Results
Next to the first two sources already mentioned are the International Journal of Production Economics (IJPE--5 publications), LogForum (5 publications), Sustainability (Switzerland) (SUS--5 publications), Benchmarking (BEN--4 publications), Production Planning and Control (PPC--4 publications), Supply Chain Management (SCM--4 publications), Advances in Intelligent Systems and Computing (AISC--3 publications), Applied Sciences (Switzerland) (AS--3 publications), and Business Process Management Journal (BPMJ--3 publications). Figure 2: The representation depicts the time series analysis of the selected articles based on publication number and year of publication. While the total number of publications provides a measure of productivity, it does not necessarily indicate the influence of the journals. To assess the impact of the sources within scientific research, the total number of citations is a relevant metric. On average, the selected journals in the field of MMs for SCML have an average of 36.7 citations each. However, only 12 sources have surpassed the threshold of 100 citations. The most influential sources in terms of citations include the International Journal of Production Economics (1102 citations), the Journal of Manufacturing Systems (528 citations), and Supply Chain Management: An International Journal (403 citations). To determine the combined relevance and impact of the journals, the Citations per Publication (CPP) metric is employed. Table A2 in Appendix A provides a ranking of the 12 journals based on CPP in descending order. Among these journals, the International Journal of Production Economics (220.4 CPP) and Supply Chain Management (68.75 CPP) stand out as both relevant and influential sources. The 137 documents on MMs for SCML are geographically distributed across 41 territories worldwide. The distribution was determined by identifying the geographical origin of the authors' affiliations. The analysis reveals that Europe, with 100 occurrences in 21 countries, and the Americas, with 41 occurrences in four countries, are the continents with the highest relevance in terms of contributions. Across these two continents, the majority of contributions are concentrated in five countries, which demonstrate a strong interest in the research on MMs for SCML: Brazil (20 occurrences), United States (19 occurrences), United Kingdom (15 occurrences), Germany (14 occurrences), and Poland (13 occurrences). On the other hand, the Asian continent has 18 occurrences spread across ten countries, while the Oceanic continent has nine occurrences in two countries. As a matter of fact, the African continent has the lowest number of occurrences (six) pertaining to the two countries. These regions show relatively less prominence in terms of contributions to the topic compared to Europe and the Americas. Figure 4 provides a visual representation of the geographical distribution of the included documents. Figure 3: The representation demonstrates Brandford’s law, which ranks the sources from the most to the least relevant based on the total number of publications. Authors Analysis and Keywords Analysis  
The analysis of the 137 articles reveals that they were authored by a total of 377 authors, resulting in an average of 2.75 authors per article. To assess the relevance and influence of individual authors, metrics such as the total number of publications and total number of citations were used. In terms of relevance, the majority of authors (338 out of 377, approximately 90%) are associated with only one publication, and a small portion (39 out of 377, approximately 8%) are associated with two publications. Only nine authors have more than two publications, with the most prominent ones being [PERSON]. (7 publications), [PERSON]. (five publications), and [PERSON]. (four publications). On the other hand, the following scholars are characterized by the highest number of citations: [PERSON] et al. [17] with 820 citations, followed by [PERSON] et al. [42] with 528 citations, and [PERSON] [11,35] with 339 citations.