Phool SINGH และผู้แต่งคนอื่นๆ. (2014) Analysis of Porosity Effects on Unsteady Stretching Permeable Sheet. <i>Walailak Journal of Science and Technology</i>, <i>11</i>(7), 611-620.Phool SINGH และผู้แต่งคนอื่นๆ. "Analysis of Porosity Effects on Unsteady Stretching Permeable Sheet". Walailak Journal of Science and Technology 11 (2014):611-620.Phool SINGH และผู้แต่งคนอื่นๆ. Analysis of Porosity Effects on Unsteady Stretching Permeable Sheet. Walailak University:ม.ป.ท. 2014.