Arce Espinoza, L., and J. Monge Nájera. “Effect of Marital Status, Gender and Job Position in Smoking Behavior and Cessation Intent of Staff Members in a Central American Public University”. UNED Research Journal, vol. 5, no. 1, Feb. 2013, pp. 157-61, doi:10.22458/urj.v5i1.187.