Do cay and cay^{MS} Predict Stock and Housing Returns? Evidence from a Nonparametric Causality Test
Mehmet Balcilar, Rangan Gupta , Ricardo Sousa, Mark E. Wohar
International Review Of Economics And Finance, vol. 48, 2017, p. 269-279.

Predicting Asset Returns in the BRICS: The Role of Macroeconomic and Fundamental Predictors
Ricardo Sousa, Andrew Vivian, Mark E. Wohar
International Review Of Economics And Finance, vol. 41, 2016, p. 122-143.

The Role of Hope, Spirituality and Religious Practice in Adolescents' Life Satisfaction: Longitudinal Findings.
Susana Marques, Shane Lopez, Joanna Mitchell
Journal Of Happiness Studies, vol. 14, 2013, p. 251-261.