*3.6. Journals*

The total set of articles (103) was published in 80 journals, 64 of which only published one article and the remaining 16 journals publishing two or more. Therefore, the index of dispersion is 1.29 articles/journal. The most productive journal is the *Journal of Heritage Tourism,* with five published articles (Table 6). However, in relation to the total number of citations received, *Sociologia Ruralis* leads with 378 citations accumulated within the only published study. Regarding the geographical origin of the journals, it can be seen that these are published mainly in the United Kingdom, with 39.1% (25) of Scopus journals and 32.6% (14) of WoS, followed by the United States with 9.4% of Scopus and 16.3% of WoS articles.



\* R = ranking; f = frequency (number of articles published); hi% = relative frequency; TC = total number of citations received for published articles; h-index = Hirsch's index; Q = quartile. Source: own elaboration.

To conclude with the analysis of productivity by type of institution and country, the concentration cores generated in relation to the scientific production of this subject can be identified, for which the law of Bradford [49] is applied, making it possible to identify a high percentage of studies concentrated in a small number of journals when analyzing the scientific production of a specific subject. First, the minimum Bradford zone (MBZ), which takes the value of 32, is calculated. The ranking of journals is arranged in descending order according to their productivity. Thus, the Bradford core corresponds to the group of journals whose summed productivity is equal to 32. In this area, the Bradford core consists of 41 journals (Figure 4).

**Figure 4.** Lorenz curve—Bradford core of the most productive journals. Source: own elaboration.
