## Z

Zacca-González, G., Chinchilla-Rodríguez, Z., Vargas-Quesada, B., & de Moya-Anegón, F. (2014). Bibliometric analysis of regional latin america's scientific output in public health through SCImago journal & country rank. BMC Public Health, 14(1), 632-642. doi: https://doi.org/10.1186/1471-2458-14-632

Zikmund, W. G. (2003) Business Research Methods. 7th edn. Mason Ohio: Thomson South-Western.

Zitt, M., Perrot, F., & Barre, R. (1998). The transition from “national” to “transnational” model and related measures of countries performance. Journal of the American Society for Information Science, 49(1), 30-42. doi: https://doi.org/10.1002/(SICI)1097- 4571(1998)49:1<30::AID-ASI5>3.0.CO;2-3