[Song, Ying-Qing] Hunan City Univ, Coll Sci, Yiyang 413000, Peoples R China.
[Animasaun, I. L.; Obideyi, B. D.] Fed Univ Technol Akure, Dept Math Sci, Fluid Dynam & Survey Res Grp, PMB 704, Akure, Nigeria.
[Shah, Nehad Ali; Chung, Jae Dong] Sejong Univ, Dept Mech Engn, Seoul 05006, South Korea.
[Mahrous, Y. M.] Univ Tabuk, Fac Community, Dept Studies & Basic Sci, POB 741, Tabuk 71491, Saudi Arabia.