A. Izquierdo Yusta, M. P. Martínez Ruiz, and A. I. Jiménez Zarco, “The Role of the Convenience and the Subjective Norm in the Intention of Purchase Across Internet (B2C): an application in the hospitality industry”, Rev. Bras. Gest. Neg., vol. 13, no. 39, pp. 137–158, Jul. 2011.