DharmaKeerthi Sri Ranjan. (2016) Philosophical and Sociological Aspects of the Concept of Virtual Reality Based on. Rangsit University:ม.ป.ท.DharmaKeerthi Sri Ranjan. 2016. Philosophical and Sociological Aspects of the Concept of Virtual Reality Based on. ม.ป.ท.:Rangsit University;DharmaKeerthi Sri Ranjan. Philosophical and Sociological Aspects of the Concept of Virtual Reality Based on. ม.ป.ท.:Rangsit University, 2016. Print.