Alam, M. N., Hafez, M. G., Akbar, M. A. and -Roshid, H. .-O. (2015) “Exact Solutions to the (2+1)-Dimensional Boussinesq Equation via exp(?(?))-Expansion Method”, Journal of Scientific Research, 7(3), pp. 1–10. doi: 10.3329/jsr.v7i3.17954.