Piyada Balasuwatthi และผู้แต่งคนอื่นๆ. (2001) Effect of second subsaturated surfactant solution on contact angle of saturated surfactant solution on precipitated surfactant surface. Chulalongkorn University:ม.ป.ท.Piyada Balasuwatthi และผู้แต่งคนอื่นๆ. 2001. Effect of second subsaturated surfactant solution on contact angle of saturated surfactant solution on precipitated surfactant surface. ม.ป.ท.:Chulalongkorn University;Piyada Balasuwatthi และผู้แต่งคนอื่นๆ. Effect of second subsaturated surfactant solution on contact angle of saturated surfactant solution on precipitated surfactant surface. ม.ป.ท.:Chulalongkorn University, 2001. Print.