[1]
B. T. David, C. Yin, and R. Chalon, “Contextual Mobile Learning for Repairing Industrial Machines: System Architecture and Development Process (doi: 10.3991/ijac.v1i2.559)”, Int. J. Adv. Corp. Learn., vol. 1, no. 2, pp. pp. 9–14, Oct. 2008.