%0 Journal Article %T Visualization of natural convection in enclosure filled with porous medium by sinusoidally temperature on the one side %A P. Khansila %A S. Witayangkurn %J Applied Mathematical Sciences %D 2012 %I %U http://www.m-hikari.com/ams/ams-2012/ams-97-100-2012/khansilaAMS97-100-2012.pdf