Mahdy, A. 2017. “Free Convection Flow over a Vertical Flat Plate in Nanofluid Porous Media Containing Gyrotactic Microorganisms With Prescribed Density Motile Microorganisms Flux”. Science & Technology Asia 22 (4):71-85. https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/109586.