Plangsorn, B., J. Na-Songkhla, and L. M. Luetkehans. “Undergraduate Students’ Opinions Toward Ubiquitous MOOC for Enhancing Cross–Cultural Competence”. World Journal on Educational Technology: Current Issues, vol. 8, no. 3, Oct. 2016, pp. 210-7, doi:10.18844/wjet.v8i3.691.