Chompoonud KULKETWONG และ Prathuang USABORISUT. (2015) A COMPARISON OF PLANTAR PRESSURE DURING WALKING WITH BOOTS ON HARD SURFACE AND MUDDY SOIL. Thai Society of Agricultural Engineering:ม.ป.ท.Chompoonud KULKETWONG และ Prathuang USABORISUT. 2015. A COMPARISON OF PLANTAR PRESSURE DURING WALKING WITH BOOTS ON HARD SURFACE AND MUDDY SOIL. ม.ป.ท.:Thai Society of Agricultural Engineering;Chompoonud KULKETWONG และ Prathuang USABORISUT. A COMPARISON OF PLANTAR PRESSURE DURING WALKING WITH BOOTS ON HARD SURFACE AND MUDDY SOIL. ม.ป.ท.:Thai Society of Agricultural Engineering, 2015. Print.