Sofia Maria Lopes Portela

2.

Santos, D.; Rodrigues, J.; Portela, S.; Controlo estratégico na farmácia comunitária com base no Balanced Scorecard: Um estudo de caso . Revista Portuguesa de Farmacoterapia. 2019

3.

Rafael, M. S.; Portela, S.; Sousa, P.; Fernandes, A.; Utilização do serviço de urgência pediátrica: a experiência de um centro português. Scientia Medica. 2017

4.

Portela, S.; Menezes, R.; Estimating a customer churn model in the ADSL industry in Portugal: The use of a Semi-Markov model . International Journal of Management, Business, and Economics. 2016

5.

Pereira, H. G.; Carvalho, A.; Portela, S. L.; The managerial and economic effects of celebrity endorsement on consumer purchasing intentions. International Journal of Latest Trends in Finance and Economics Sciences. 2015

6.

Fernandes, I.; Rueff, M. C.; Portela, S.; Transdisciplinarity in strategic decisions for oncological treatments. Medicine and Law. 2015

7.

Fernandes, I.; Rueff, M. C.; Portela, S.; Mansinho, A.; Impact of the economic crisis in the approval of new oncological drugs:the Portuguese paradigm. International Journal of Management and Applied Science. 2015

8.

Costa, M.; Ramos, A.; Portela, S.; A Influência das organizações do terceiro sector na responsabilidade social e ambiental das empresas do polo industrial de Manaus. Revista Portuguesa e Brasileira de Gestão. 2014

9.

Costa, M.; Ramos, A.; Portela, S.; The influence of organizations from the third sector on the social and environmental behaviour: the case of the industrial pole of Manaus. International Journal of Academic Research. 2013

10.

Portela, S.; Menezes, R.; A semi-markov model of customer lifetime in the Portuguese fixed telecommunications industry. International Journal of Academic Research. 2013

11.

Cardoso, I.; Portela, S.; Dias, A.; Determinants of the perception of the personality of brand: an application to the Azores regional brand. International Journal of Academic Research. 2013

12.

Stergiopoulou, E.; Portela, S.; Menezes, R.; Mental budgeting and the management of household finance in Kastoria City (Greece). International Journal of Academic Research. 2013

13.

Portela, S.; Menezes, R.; Fundamentals of multiple events duration models. International Journal of Academic Research.2013

14.

Ana Tilman; Martins, L.; Portela, S.; The Influence of National Culture of East-Timor on the Leadership Practices of Middle Managers in the Timor Telecom. International Journal of Academic Research. 2013

15.

Carvalho, M.; Martins, L.; Portela, S.; Leadership and commitment on Portuguese rugby national team. International Journal of Academic Research. 2013

16.

Portela, S.; Menezes, R.; Detecting customer defections: an application of continuous duration models. Journal of Global Strategic Management. 2011

17.

Portela, S.; Menezes, R.; On the use of discounted cash flow method on the customer valuation . International Journal of Latest Trends in Finance and Economics Sciences. 2011

18.

Portela, S.; Menezes, R.; An empirical investigation of the factors that influence the customer churn in the Portuguese fixed telecommunications industry: A survival analysis application. Business Review. 2010

19.

Portela, S.; Menezes, R.; Analysing the customer churn risk using duration models. Journal of Combinatorics, Information & System Sciences: A Quarterly International Scientific Journal. 2010

20.

Portela, S.; Successo versus Insucesso nas Pequenas e Médias Empresas em Portugal: Uma Aplicação do Logit. Temas em Métodos Quantitativos 5. 2006